Subtract 9/70 from 56/27, Solve 2 2/27

Subtract 9/70 from 56/27

1^st number: 2 2/27, 2^nd number: 9/70

56/27 - 9/70 is 3677/1890.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 27 × 70 = 1890,
56/27 = 56 × 70/27 × 70 = 3920/1890
Likewise, for the 2nd fraction, since 70 × 27 = 1890,
9/70 = 9 × 27/70 × 27 = 243/1890
Subtract the two like fractions:
3920/1890 - 243/1890 = 3920 - 243/1890 = 3677/1890
In mixed form: 11787/1890

MathStep (Works offline)

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