Subtract 30/72 from 60/8
1st number: 7 4/8, 2nd number: 30/72
60/8 - 30/72 is 85/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
60/8 = 60 × 9/8 × 9 = 540/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Subtract the two like fractions:
540/72 - 30/72 = 540 - 30/72 = 510/72 - After reducing the fraction, the answer is 85/12
- In mixed form: 71/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8-60/72 60/16-30/72 60/8-90/72 60/24-30/72 60/40-30/72 60/56-30/72