Subtract 16/70 from 20/15
1st number: 1 5/15, 2nd number: 16/70
20/15 - 16/70 is 116/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
20/15 = 20 × 14/15 × 14 = 280/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
16/70 = 16 × 3/70 × 3 = 48/210 - Subtract the two like fractions:
280/210 - 48/210 = 280 - 48/210 = 232/210 - After reducing the fraction, the answer is 116/105
- In mixed form: 111/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15-16/70 20/15-32/70 20/30-16/70 60/15-16/70 20/15-48/70 20/45-16/70 20/15-80/70 20/75-16/70