Subtract 49/80 from 60/4
1st number: 15 0/4, 2nd number: 49/80
60/4 - 49/80 is 1151/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
60/4 = 60 × 20/4 × 20 = 1200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
49/80 = 49 × 1/80 × 1 = 49/80 - Subtract the two like fractions:
1200/80 - 49/80 = 1200 - 49/80 = 1151/80 - In mixed form: 1431/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-98/80 60/8-49/80 60/12-49/80 60/20-49/80 60/28-49/80