Subtract 4/8 from 50/7, Solve 7 1/7

Subtract 4/8 from 50/7

1^st number: 7 1/7, 2^nd number: 4/8

50/7 - 4/8 is 93/14.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 7 × 8 = 56,
50/7 = 50 × 8/7 × 8 = 400/56
Likewise, for the 2nd fraction, since 8 × 7 = 56,
4/8 = 4 × 7/8 × 7 = 28/56
Subtract the two like fractions:
400/56 - 28/56 = 400 - 28/56 = 372/56
After reducing the fraction, the answer is 93/14
In mixed form: 69/14

MathStep (Works offline)

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