Subtract 49/8 from 80/28
1st number: 2 24/28, 2nd number: 6 1/8
80/28 - 49/8 is -183/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
80/28 = 80 × 2/28 × 2 = 160/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
49/8 = 49 × 7/8 × 7 = 343/56 - Subtract the two like fractions:
160/56 - 343/56 = 160 - 343/56 = -183/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-98/8 80/56-49/8 80/28-49/16 80/84-49/8 80/28-49/24 80/28-49/40 80/28-49/56