Subtract 12/20 from 72/6
1st number: 12 0/6, 2nd number: 12/20
72/6 - 12/20 is 57/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
72/6 = 72 × 10/6 × 10 = 720/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Subtract the two like fractions:
720/60 - 36/60 = 720 - 36/60 = 684/60 - After reducing the fraction, the answer is 57/5
- In mixed form: 112/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-24/20 72/12-12/20 72/6-12/40 72/6-36/20 72/18-12/20 72/6-12/60 72/6-60/20 72/30-12/20 72/6-84/20 72/42-12/20