Subtract 80/8 from 1/15
1st number: 1/15, 2nd number: 10 0/8
1/15 - 80/8 is -149/15.
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,
1/15 = 1 × 8/15 × 8 = 8/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
80/8 = 80 × 15/8 × 15 = 1200/120 - Subtract the two like fractions:
8/120 - 1200/120 = 8 - 1200/120 = -1192/120 - After reducing the fraction, the answer is -149/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-80/8 1/30-80/8 1/15-80/16 3/15-80/8 1/45-80/8 1/15-80/24 5/15-80/8 1/75-80/8 1/15-80/40 7/15-80/8 1/15-80/56