Subtract 56/15 from 45/9, Solve 5 0/9

Subtract 56/15 from 45/9

1^st number: 5 0/9, 2^nd number: 3 11/15

45/9 - 56/15 is 19/15.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45

Next, find the equivalent fraction of both fractional numbers with denominator 45
For the 1st fraction, since 9 × 5 = 45,
45/9 = 45 × 5/9 × 5 = 225/45
Likewise, for the 2nd fraction, since 15 × 3 = 45,
56/15 = 56 × 3/15 × 3 = 168/45
Subtract the two like fractions:
225/45 - 168/45 = 225 - 168/45 = 57/45
After reducing the fraction, the answer is 19/15
In mixed form: 14/15

MathStep (Works offline)

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