Subtract 49/80 from 80/28
1st number: 2 24/28, 2nd number: 49/80
80/28 - 49/80 is 1257/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
80/28 = 80 × 20/28 × 20 = 1600/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
49/80 = 49 × 7/80 × 7 = 343/560 - Subtract the two like fractions:
1600/560 - 343/560 = 1600 - 343/560 = 1257/560 - In mixed form: 2137/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-98/80 80/56-49/80 80/84-49/80