Subtract 20/10 from 16/15
1st number: 1 1/15, 2nd number: 2 0/10
16/15 - 20/10 is -14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
16/15 = 16 × 2/15 × 2 = 32/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
20/10 = 20 × 3/10 × 3 = 60/30 - Subtract the two like fractions:
32/30 - 60/30 = 32 - 60/30 = -28/30 - After reducing the fraction, the answer is -14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15-20/10 16/15-40/10 16/30-20/10 48/15-20/10 16/15-60/10 16/45-20/10 16/15-20/30 80/15-20/10 16/75-20/10 16/15-20/50 16/15-20/70