Subtract 28/32 from 50/7, Solve 7 1/7

Subtract 28/32 from 50/7

1^st number: 7 1/7, 2^nd number: 28/32

50/7 - 28/32 is 351/56.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224

Next, find the equivalent fraction of both fractional numbers with denominator 224
For the 1st fraction, since 7 × 32 = 224,
50/7 = 50 × 32/7 × 32 = 1600/224
Likewise, for the 2nd fraction, since 32 × 7 = 224,
28/32 = 28 × 7/32 × 7 = 196/224
Subtract the two like fractions:
1600/224 - 196/224 = 1600 - 196/224 = 1404/224
After reducing the fraction, the answer is 351/56
In mixed form: 615/56

MathStep (Works offline)

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