Subtract 7/60 from 90/7
1st number: 12 6/7, 2nd number: 7/60
90/7 - 7/60 is 5351/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
90/7 = 90 × 60/7 × 60 = 5400/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
7/60 = 7 × 7/60 × 7 = 49/420 - Subtract the two like fractions:
5400/420 - 49/420 = 5400 - 49/420 = 5351/420 - In mixed form: 12311/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-14/60 90/14-7/60 90/7-21/60 90/21-7/60 90/7-35/60 90/35-7/60 90/7-49/60 90/49-7/60