Subtract 50/42 from 10/48, Solve 10/48

Subtract 50/42 from 10/48

1^st number: 10/48, 2^nd number: 1 8/42

10/48 - 50/42 is -55/56.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
10/48 = 10 × 7/48 × 7 = 70/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
50/42 = 50 × 8/42 × 8 = 400/336
Subtract the two like fractions:
70/336 - 400/336 = 70 - 400/336 = -330/336
After reducing the fraction, the answer is -55/56

MathStep (Works offline)

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