Subtract 63/8 from 4/80
1st number: 4/80, 2nd number: 7 7/8
4/80 - 63/8 is -313/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
4/80 = 4 × 1/80 × 1 = 4/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
63/8 = 63 × 10/8 × 10 = 630/80 - Subtract the two like fractions:
4/80 - 630/80 = 4 - 630/80 = -626/80 - After reducing the fraction, the answer is -313/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/80-63/8 4/80-63/16 12/80-63/8 4/80-63/24 20/80-63/8 4/80-63/40 28/80-63/8 4/80-63/56