Subtract 6/4 from 7/27, Solve 7/27

Subtract 6/4 from 7/27

1^st number: 7/27, 2^nd number: 1 2/4

7/27 - 6/4 is -67/54.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
7/27 = 7 × 4/27 × 4 = 28/108
Likewise, for the 2nd fraction, since 4 × 27 = 108,
6/4 = 6 × 27/4 × 27 = 162/108
Subtract the two like fractions:
28/108 - 162/108 = 28 - 162/108 = -134/108
After reducing the fraction, the answer is -67/54

MathStep (Works offline)

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