Subtract 10/42 from 84/48, Solve 1 36/48

Subtract 10/42 from 84/48

1^st number: 1 36/48, 2^nd number: 10/42

84/48 - 10/42 is 127/84.

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,
84/48 = 84 × 7/48 × 7 = 588/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
10/42 = 10 × 8/42 × 8 = 80/336
Subtract the two like fractions:
588/336 - 80/336 = 588 - 80/336 = 508/336
After reducing the fraction, the answer is 127/84
In mixed form: 143/84

MathStep (Works offline)

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