Subtract 6/56 from 28/27, Solve 1 1/27

Subtract 6/56 from 28/27

1^st number: 1 1/27, 2^nd number: 6/56

28/27 - 6/56 is 703/756.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 56 is 1512

Next, find the equivalent fraction of both fractional numbers with denominator 1512
For the 1st fraction, since 27 × 56 = 1512,
28/27 = 28 × 56/27 × 56 = 1568/1512
Likewise, for the 2nd fraction, since 56 × 27 = 1512,
6/56 = 6 × 27/56 × 27 = 162/1512
Subtract the two like fractions:
1568/1512 - 162/1512 = 1568 - 162/1512 = 1406/1512
After reducing the fraction, the answer is 703/756

MathStep (Works offline)

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