Subtract 60/21 from 70/16
1st number: 4 6/16, 2nd number: 2 18/21
70/16 - 60/21 is 85/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
70/16 = 70 × 21/16 × 21 = 1470/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
60/21 = 60 × 16/21 × 16 = 960/336 - Subtract the two like fractions:
1470/336 - 960/336 = 1470 - 960/336 = 510/336 - After reducing the fraction, the answer is 85/56
- In mixed form: 129/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32-60/21 70/16-60/42 70/48-60/21 70/16-60/63 70/80-60/21