Subtract 20/48 from 72/6
1st number: 12 0/6, 2nd number: 20/48
72/6 - 20/48 is 139/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 6 × 8 = 48,
72/6 = 72 × 8/6 × 8 = 576/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
20/48 = 20 × 1/48 × 1 = 20/48 - Subtract the two like fractions:
576/48 - 20/48 = 576 - 20/48 = 556/48 - After reducing the fraction, the answer is 139/12
- In mixed form: 117/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-40/48 72/12-20/48 72/6-20/96 72/6-60/48 72/18-20/48 72/30-20/48 72/42-20/48