Subtract 75/60 from 30/7
1st number: 4 2/7, 2nd number: 1 15/60
30/7 - 75/60 is 85/28.
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,
30/7 = 30 × 60/7 × 60 = 1800/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
75/60 = 75 × 7/60 × 7 = 525/420 - Subtract the two like fractions:
1800/420 - 525/420 = 1800 - 525/420 = 1275/420 - After reducing the fraction, the answer is 85/28
- In mixed form: 31/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-75/60 30/14-75/60 90/7-75/60 30/21-75/60 30/35-75/60 30/49-75/60