Subtract 21/80 from 10/14
10/14 - 21/80 is 253/560.
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,
10/14 = 10 × 40/14 × 40 = 400/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
21/80 = 21 × 7/80 × 7 = 147/560 - Subtract the two like fractions:
400/560 - 147/560 = 400 - 147/560 = 253/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/14-21/80 10/14-42/80 10/28-21/80 30/14-21/80 10/14-63/80 10/42-21/80 50/14-21/80 10/70-21/80 70/14-21/80 10/98-21/80