Subtract 54/9 from 27/75, Solve 27/75

Subtract 54/9 from 27/75

1^st number: 27/75, 2^nd number: 6 0/9

27/75 - 54/9 is -141/25.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 75 × 3 = 225,
27/75 = 27 × 3/75 × 3 = 81/225
Likewise, for the 2nd fraction, since 9 × 25 = 225,
54/9 = 54 × 25/9 × 25 = 1350/225
Subtract the two like fractions:
81/225 - 1350/225 = 81 - 1350/225 = -1269/225
After reducing the fraction, the answer is -141/25

MathStep (Works offline)

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