Subtract 4/20 from 72/6
1st number: 12 0/6, 2nd number: 4/20
72/6 - 4/20 is 59/5.
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,
4/20 = 4 × 3/20 × 3 = 12/60 - Subtract the two like fractions:
720/60 - 12/60 = 720 - 12/60 = 708/60 - After reducing the fraction, the answer is 59/5
- In mixed form: 114/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-8/20 72/12-4/20 72/6-4/40 72/6-12/20 72/18-4/20 72/6-4/60 72/30-4/20 72/6-28/20 72/42-4/20