Subtract 49/8 from 24/84, Solve 24/84

Subtract 49/8 from 24/84

1^st number: 24/84, 2^nd number: 6 1/8

24/84 - 49/8 is -327/56.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 84 × 2 = 168,
24/84 = 24 × 2/84 × 2 = 48/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
49/8 = 49 × 21/8 × 21 = 1029/168
Subtract the two like fractions:
48/168 - 1029/168 = 48 - 1029/168 = -981/168
After reducing the fraction, the answer is -327/56

MathStep (Works offline)

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