Subtract 14/80 from 21/14
1st number: 1 7/14, 2nd number: 14/80
21/14 - 14/80 is 53/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
21/14 = 21 × 40/14 × 40 = 840/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
14/80 = 14 × 7/80 × 7 = 98/560 - Subtract the two like fractions:
840/560 - 98/560 = 840 - 98/560 = 742/560 - After reducing the fraction, the answer is 53/40
- In mixed form: 113/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14-14/80 21/14-28/80 21/28-14/80 63/14-14/80 21/14-42/80 21/42-14/80 21/14-70/80 21/70-14/80 21/14-98/80 21/98-14/80