Subtract 7/80 from 63/28
1st number: 2 7/28, 2nd number: 7/80
63/28 - 7/80 is 173/80.
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,
63/28 = 63 × 20/28 × 20 = 1260/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Subtract the two like fractions:
1260/560 - 49/560 = 1260 - 49/560 = 1211/560 - After reducing the fraction, the answer is 173/80
- In mixed form: 213/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28-14/80 63/56-7/80 63/28-21/80 63/84-7/80 63/28-35/80 63/28-49/80