Subtract 9/80 from 20/14
1st number: 1 6/14, 2nd number: 9/80
20/14 - 9/80 is 737/560.
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,
9/80 = 9 × 7/80 × 7 = 63/560 - Subtract the two like fractions:
800/560 - 63/560 = 800 - 63/560 = 737/560 - In mixed form: 1177/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-9/80 20/14-18/80 20/28-9/80 60/14-9/80 20/14-27/80 20/42-9/80 20/14-45/80 20/70-9/80 20/14-63/80 20/98-9/80