Subtract 21/16 from 70/5
1st number: 14 0/5, 2nd number: 1 5/16
70/5 - 21/16 is 203/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
70/5 = 70 × 16/5 × 16 = 1120/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Subtract the two like fractions:
1120/80 - 105/80 = 1120 - 105/80 = 1015/80 - After reducing the fraction, the answer is 203/16
- In mixed form: 1211/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/5-42/16 70/10-21/16 70/5-21/32 70/5-63/16 70/15-21/16 70/5-21/48 70/25-21/16 70/5-21/80 70/35-21/16