Subtract 80/20 from 8/15
1st number: 8/15, 2nd number: 4 0/20
8/15 - 80/20 is -52/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
8/15 = 8 × 4/15 × 4 = 32/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
80/20 = 80 × 3/20 × 3 = 240/60 - Subtract the two like fractions:
32/60 - 240/60 = 32 - 240/60 = -208/60 - After reducing the fraction, the answer is -52/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15-80/20 8/30-80/20 8/15-80/40 24/15-80/20 8/45-80/20 8/15-80/60 40/15-80/20 8/75-80/20 56/15-80/20