Subtract 9/16 from 40/15, Solve 2 10/15

Subtract 9/16 from 40/15

1^st number: 2 10/15, 2^nd number: 9/16

40/15 - 9/16 is 101/48.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 15 × 16 = 240,
40/15 = 40 × 16/15 × 16 = 640/240
Likewise, for the 2nd fraction, since 16 × 15 = 240,
9/16 = 9 × 15/16 × 15 = 135/240
Subtract the two like fractions:
640/240 - 135/240 = 640 - 135/240 = 505/240
After reducing the fraction, the answer is 101/48
In mixed form: 25/48

MathStep (Works offline)

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