Subtract 80/16 from 4/7
1st number: 4/7, 2nd number: 5 0/16
4/7 - 80/16 is -31/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
4/7 = 4 × 16/7 × 16 = 64/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
80/16 = 80 × 7/16 × 7 = 560/112 - Subtract the two like fractions:
64/112 - 560/112 = 64 - 560/112 = -496/112 - After reducing the fraction, the answer is -31/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-80/16 4/14-80/16 4/7-80/32 12/7-80/16 4/21-80/16 4/7-80/48 20/7-80/16 4/35-80/16 28/7-80/16 4/49-80/16