Subtract 7/80 from 56/14, Solve 4 0/14

Subtract 7/80 from 56/14

1^st number: 4 0/14, 2^nd number: 7/80

56/14 - 7/80 is 313/80.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 14 × 40 = 560,
56/14 = 56 × 40/14 × 40 = 2240/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560
Subtract the two like fractions:
2240/560 - 49/560 = 2240 - 49/560 = 2191/560
After reducing the fraction, the answer is 313/80
In mixed form: 373/80

MathStep (Works offline)

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