Subtract 60/42 from 5/27, Solve 5/27

Subtract 60/42 from 5/27

1^st number: 5/27, 2^nd number: 1 18/42

5/27 - 60/42 is -235/189.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 27 × 14 = 378,
5/27 = 5 × 14/27 × 14 = 70/378
Likewise, for the 2nd fraction, since 42 × 9 = 378,
60/42 = 60 × 9/42 × 9 = 540/378
Subtract the two like fractions:
70/378 - 540/378 = 70 - 540/378 = -470/378
After reducing the fraction, the answer is -235/189

MathStep (Works offline)

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