Subtract 16/20 from 70/14
1st number: 5 0/14, 2nd number: 16/20
70/14 - 16/20 is 21/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
70/14 = 70 × 10/14 × 10 = 700/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
16/20 = 16 × 7/20 × 7 = 112/140 - Subtract the two like fractions:
700/140 - 112/140 = 700 - 112/140 = 588/140 - After reducing the fraction, the answer is 21/5
- In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14-32/20 70/28-16/20 70/14-16/40 70/14-48/20 70/42-16/20 70/14-16/60 70/14-80/20 70/98-16/20