Subtract 15/64 from 40/15, Solve 2 10/15

Subtract 15/64 from 40/15

1^st number: 2 10/15, 2^nd number: 15/64

40/15 - 15/64 is 467/192.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 64 is 960

Next, find the equivalent fraction of both fractional numbers with denominator 960
For the 1st fraction, since 15 × 64 = 960,
40/15 = 40 × 64/15 × 64 = 2560/960
Likewise, for the 2nd fraction, since 64 × 15 = 960,
15/64 = 15 × 15/64 × 15 = 225/960
Subtract the two like fractions:
2560/960 - 225/960 = 2560 - 225/960 = 2335/960
After reducing the fraction, the answer is 467/192
In mixed form: 283/192

MathStep (Works offline)

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