Question

Which of the following is the sum of 3/8 and 4/7

Answer 1

53/56

Explanation:

`(3)/(8) + (4)/(7)`

Find the LCM

LCM = 56

`(3 + 8)/(56) \\ ((56 / 8) * 3)/(56) + ((56 / 7) * 8)/(56) \\`

`(21 + 32)/(56) </strong><strong>`

= 53/56

Answer 2

53/56

Explanation:

3/8 + 4/7

Get a common denominator of 56

3/6 * 7/7 = 21/56

4/7 *8/8 = 32/56

21/56+ 32/56 = 53/56