Subtract 12/56 from 4/9, Solve 4/9

Subtract 12/56 from 4/9

4/9 - 12/56 is 29/126.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 9 × 56 = 504,
4/9 = 4 × 56/9 × 56 = 224/504
Likewise, for the 2nd fraction, since 56 × 9 = 504,
12/56 = 12 × 9/56 × 9 = 108/504
Subtract the two like fractions:
224/504 - 108/504 = 224 - 108/504 = 116/504
After reducing the fraction, the answer is 29/126

MathStep (Works offline)

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