Subtract 6/45 from 48/27, Solve 1 21/27

Subtract 6/45 from 48/27

1^st number: 1 21/27, 2^nd number: 6/45

48/27 - 6/45 is 74/45.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
48/27 = 48 × 5/27 × 5 = 240/135
Likewise, for the 2nd fraction, since 45 × 3 = 135,
6/45 = 6 × 3/45 × 3 = 18/135
Subtract the two like fractions:
240/135 - 18/135 = 240 - 18/135 = 222/135
After reducing the fraction, the answer is 74/45
In mixed form: 129/45

MathStep (Works offline)

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