Subtract 84/4 from 1/27, Solve 1/27

Subtract 84/4 from 1/27

1^st number: 1/27, 2^nd number: 21 0/4

1/27 - 84/4 is -566/27.

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,
1/27 = 1 × 4/27 × 4 = 4/108
Likewise, for the 2nd fraction, since 4 × 27 = 108,
84/4 = 84 × 27/4 × 27 = 2268/108
Subtract the two like fractions:
4/108 - 2268/108 = 4 - 2268/108 = -2264/108
After reducing the fraction, the answer is -566/27

MathStep (Works offline)

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