Subtract 14/16 from 21/5
1st number: 4 1/5, 2nd number: 14/16
21/5 - 14/16 is 133/40.
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,
21/5 = 21 × 16/5 × 16 = 336/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
14/16 = 14 × 5/16 × 5 = 70/80 - Subtract the two like fractions:
336/80 - 70/80 = 336 - 70/80 = 266/80 - After reducing the fraction, the answer is 133/40
- In mixed form: 313/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5-14/16 21/5-28/16 21/10-14/16 21/5-14/32 63/5-14/16 21/5-42/16 21/15-14/16 21/5-14/48 21/5-70/16 21/25-14/16 21/5-14/80 21/5-98/16 21/35-14/16