Subtract 24/20 from 8/15
1st number: 8/15, 2nd number: 1 4/20
8/15 - 24/20 is -2/3.
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,
24/20 = 24 × 3/20 × 3 = 72/60 - Subtract the two like fractions:
32/60 - 72/60 = 32 - 72/60 = -40/60 - After reducing the fraction, the answer is -2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15-24/20 8/15-48/20 8/30-24/20 8/15-24/40 24/15-24/20 8/15-72/20 8/45-24/20 8/15-24/60 40/15-24/20 8/75-24/20 56/15-24/20