Subtract 63/56 from 7/80
1st number: 7/80, 2nd number: 1 7/56
7/80 - 63/56 is -83/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
63/56 = 63 × 10/56 × 10 = 630/560 - Subtract the two like fractions:
49/560 - 630/560 = 49 - 630/560 = -581/560 - After reducing the fraction, the answer is -83/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/80-63/56 21/80-63/56 35/80-63/56 49/80-63/56