Subtract 70/96 from 49/42, Solve 1 7/42

Subtract 70/96 from 49/42

1^st number: 1 7/42, 2^nd number: 70/96

49/42 - 70/96 is 7/16.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 96 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 42 × 16 = 672,
49/42 = 49 × 16/42 × 16 = 784/672
Likewise, for the 2nd fraction, since 96 × 7 = 672,
70/96 = 70 × 7/96 × 7 = 490/672
Subtract the two like fractions:
784/672 - 490/672 = 784 - 490/672 = 294/672
After reducing the fraction, the answer is 7/16

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad