Question

In the problem 7/10 – 3/4, what is the LCM you can use as the denominator in both fractions?

Answer 1

1 ) Multiply the largest number (10) by 1.

Can the smallest (4) go into this number evenly?

10 x 1 = 10

10/4 = 2.5  ❌

2 ) Now multiply the largest number by 2.

Can the smallest go into this number evenly?

10 x 2 = 20

20/4 = 5 ✅

The LCD is 20

BRAINLIEST please if this helped!