Subtract 6/27 from 64/45, Solve 1 19/45

Subtract 6/27 from 64/45

1^st number: 1 19/45, 2^nd number: 6/27

64/45 - 6/27 is 6/5.

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

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 45 × 3 = 135,
64/45 = 64 × 3/45 × 3 = 192/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
6/27 = 6 × 5/27 × 5 = 30/135
Subtract the two like fractions:
192/135 - 30/135 = 192 - 30/135 = 162/135
After reducing the fraction, the answer is 6/5
In mixed form: 11/5

MathStep (Works offline)

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