Subtract 12/16 from 40/35, Solve 1 5/35

Subtract 12/16 from 40/35

1^st number: 1 5/35, 2^nd number: 12/16

40/35 - 12/16 is 11/28.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 16 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 35 × 16 = 560,
40/35 = 40 × 16/35 × 16 = 640/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
12/16 = 12 × 35/16 × 35 = 420/560
Subtract the two like fractions:
640/560 - 420/560 = 640 - 420/560 = 220/560
After reducing the fraction, the answer is 11/28

MathStep (Works offline)

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