Subtract 6/56 from 70/45, Solve 1 25/45

Subtract 6/56 from 70/45

1^st number: 1 25/45, 2^nd number: 6/56

70/45 - 6/56 is 365/252.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 45 × 56 = 2520,
70/45 = 70 × 56/45 × 56 = 3920/2520
Likewise, for the 2nd fraction, since 56 × 45 = 2520,
6/56 = 6 × 45/56 × 45 = 270/2520
Subtract the two like fractions:
3920/2520 - 270/2520 = 3920 - 270/2520 = 3650/2520
After reducing the fraction, the answer is 365/252
In mixed form: 1113/252

MathStep (Works offline)

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