Subtract 80/8 from 63/15
1st number: 4 3/15, 2nd number: 10 0/8
63/15 - 80/8 is -29/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
63/15 = 63 × 8/15 × 8 = 504/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
80/8 = 80 × 15/8 × 15 = 1200/120 - Subtract the two like fractions:
504/120 - 1200/120 = 504 - 1200/120 = -696/120 - After reducing the fraction, the answer is -29/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30-80/8 63/15-80/16 63/45-80/8 63/15-80/24 63/75-80/8 63/15-80/40 63/15-80/56