Subtract 18/16 from 56/35, Solve 1 21/35

Subtract 18/16 from 56/35

1^st number: 1 21/35, 2^nd number: 1 2/16

56/35 - 18/16 is 19/40.

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,
56/35 = 56 × 16/35 × 16 = 896/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
18/16 = 18 × 35/16 × 35 = 630/560
Subtract the two like fractions:
896/560 - 630/560 = 896 - 630/560 = 266/560
After reducing the fraction, the answer is 19/40

MathStep (Works offline)

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