Subtract 7/80 from 20/14
1st number: 1 6/14, 2nd number: 7/80
20/14 - 7/80 is 751/560.
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,
20/14 = 20 × 40/14 × 40 = 800/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Subtract the two like fractions:
800/560 - 49/560 = 800 - 49/560 = 751/560 - In mixed form: 1191/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-7/80 20/14-14/80 20/28-7/80 60/14-7/80 20/14-21/80 20/42-7/80 20/14-35/80 20/70-7/80 20/14-49/80 20/98-7/80