Subtract 30/27 from 9/24, Solve 9/24

Subtract 30/27 from 9/24

1^st number: 9/24, 2^nd number: 1 3/27

9/24 - 30/27 is -53/72.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 24 × 9 = 216,
9/24 = 9 × 9/24 × 9 = 81/216
Likewise, for the 2nd fraction, since 27 × 8 = 216,
30/27 = 30 × 8/27 × 8 = 240/216
Subtract the two like fractions:
81/216 - 240/216 = 81 - 240/216 = -159/216
After reducing the fraction, the answer is -53/72

MathStep (Works offline)

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