Subtract 6/16 from 80/70, Solve 1 10/70

Subtract 6/16 from 80/70

1^st number: 1 10/70, 2^nd number: 6/16

80/70 - 6/16 is 43/56.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 70 × 8 = 560,
80/70 = 80 × 8/70 × 8 = 640/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
6/16 = 6 × 35/16 × 35 = 210/560
Subtract the two like fractions:
640/560 - 210/560 = 640 - 210/560 = 430/560
After reducing the fraction, the answer is 43/56

MathStep (Works offline)

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