What is the LCD of 7 and 4?

You need to know the least common denominator (LCD) of 7 and 4 if you want to add or subtract two fractions with 7 and 4 as denominators. The least common denominator, also called lowest common denominator (LCD), of 7 and 4 is 28.

In this regard, What is the HCF of 4 and 8?

HCF of 4 and 8 by Prime Factorization

As visible, 4 and 8 have common prime factors. Hence, the HCF of 4 and 8 is 2 × 2 = 4.

Regarding this, What are the first 3 common multiples of 4 and 7?

LCM of 4 and 7 by Listing Multiples

Step 1: List a few multiples of 4 (4, 8, 12, 16, 20, . . . ) and 7 (7, 14, 21, 28, 35, . . . . ) Step 2: The common multiples from the multiples of 4 and 7 are 28, 56, . . . Step 3: The smallest common multiple of 4 and 7 is 28.

Beside above, What is the LCD of 5 and 7?

The least common denominator, also called lowest common denominator (LCD), of 5 and 7 is 35.

What is the GCF of 4 and 7? Answer: GCF of 4 and 7 is 1.

24 Related Questions Answers Found

What’s the HCF of 12 and 15?

As visible, 12 and 15 have only one common prime factor i.e. 3. Hence, the HCF of 12 and 15 is 3.

What is the HCF of 7?

Solution: The highest number that divides 7 and 8 exactly is their highest common factor, i.e. HCF of 7 and 8. ⇒ Factors of 7 and 8: Factors of 7 = 1, 7.

What is the HCF of 4 and 12?

HCF of 4 and 12 by Prime Factorization

Prime factorization of 4 and 12 is (2 × 2) and (2 × 2 × 3) respectively. As visible, 4 and 12 have common prime factors. Hence, the HCF of 4 and 12 is 2 × 2 = 4.

What are the first 7 multiples of 4?

Answer – The multiples of four are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 etc.

What is the LCM of 3 and 7?

Answer: LCM of 3 and 7 is 21.

What are the first five multiples of 4 and 7?

4: 4,8,12,16,20,24,28,32,36,40,44,48,52,56… 7: 7,14,21,28,35,42,49,56,63,70,77… Then you find the first number which 4 and 7 have in common. 4 and 7 have 28 and 56 in common BUT the LCM would be 28 since that’s the LEAST common, or the smallest number that they would have in common.

What is the LCD of 7 and 10?

You need to know the least common denominator (LCD) of 7 and 10 if you want to add or subtract two fractions with 7 and 10 as denominators. The least common denominator, also called lowest common denominator (LCD), of 7 and 10 is 70.

What is the GCF of 5 and 7?

Answer: GCF of 5 and 7 is 1.

What is the LCD of 9 and 7?

You need to know the least common denominator (LCD) of 9 and 7 if you want to add or subtract two fractions with 9 and 7 as denominators. The least common denominator, also called lowest common denominator (LCD), of 9 and 7 is 63.

What is the HCF of 7 4?

The GCF of 4 and 7 is 1.

What is the GCF of 15 and 30?

There are 4 common factors of 15 and 30, that are 1, 3, 5, and 15. Therefore, the greatest common factor of 15 and 30 is 15.

What is the GCF of 36 and 63?

Answer: GCF of 36 and 63 is 9.

What is the HCF of 16 and 24?

The HCF of 16 and 24 is 8. To calculate the Highest common factor (HCF) of 16 and 24, we need to factor each number (factors of 16 = 1, 2, 4, 8, 16; factors of 24 = 1, 2, 3, 4, 6, 8, 12, 24) and choose the highest factor that exactly divides both 16 and 24, i.e., 8.

What is the HCF of 18 and 30?

GCF of 18 and 30 by Listing Common Factors

Therefore, the greatest common factor of 18 and 30 is 6.

What is the HCF of 12?

Factors of 12 = 1, 2, 3, 4, 6 and 12. Factors of 18 = 1, 2, 3, 6, 9 and 18. Therefore, common factor of 12 and 18 = 1, 2, 3 and 6. Highest common factor (H.C.F) of 12 and 18 = 6 [since 6 is the highest common factor].

What is the HCF of 7 and 9?

Answer: HCF of 7 and 9 is 1.

What is the HCF of 15 25 and 30?

The highest number that divides 15, 25, and 30 exactly is their highest common factor. The HCF of 15, 25, and 30 is 5. ∴ The highest number that divides 15, 25, and 30 is 5.

What is HCF example?

HCF : The largest number that divides two or more numbers is the highest common factor (HCF) for those numbers. For example, consider the numbers 30 (2 x 3 x 5), 36 (2 x 2 x 3 x 3), 42 (2 x 3 x 7), 45 (3 x 3 x 5). 3 is the largest number that divides each of these numbers, and hence, is the HCF for these numbers.

What is the HCF of 4 and 15?

if there is no common factor it means that 1 is the common factor. hence, HCF of 4 and 15 is 1.

What is the HCF of 6 and 12?

GCF of 6 and 12 by Listing Common Factors

There are 4 common factors of 6 and 12, that are 1, 2, 3, and 6. Therefore, the greatest common factor of 6 and 12 is 6.

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