Subtract 54/16 from 5/54, Solve 5/54

Subtract 54/16 from 5/54

1^st number: 5/54, 2^nd number: 3 6/16

5/54 - 54/16 is -709/216.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 54 × 8 = 432,
5/54 = 5 × 8/54 × 8 = 40/432
Likewise, for the 2nd fraction, since 16 × 27 = 432,
54/16 = 54 × 27/16 × 27 = 1458/432
Subtract the two like fractions:
40/432 - 1458/432 = 40 - 1458/432 = -1418/432
After reducing the fraction, the answer is -709/216

MathStep (Works offline)

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