Subtract 21/80 from 27/14
1st number: 1 13/14, 2nd number: 21/80
27/14 - 21/80 is 933/560.
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,
27/14 = 27 × 40/14 × 40 = 1080/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
21/80 = 21 × 7/80 × 7 = 147/560 - Subtract the two like fractions:
1080/560 - 147/560 = 1080 - 147/560 = 933/560 - In mixed form: 1373/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-21/80 27/14-42/80 27/28-21/80 81/14-21/80 27/14-63/80 27/42-21/80 27/70-21/80 27/98-21/80