Subtract 36/20 from 72/2
1st number: 36 0/2, 2nd number: 1 16/20
72/2 - 36/20 is 171/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
72/2 = 72 × 10/2 × 10 = 720/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
36/20 = 36 × 1/20 × 1 = 36/20 - Subtract the two like fractions:
720/20 - 36/20 = 720 - 36/20 = 684/20 - After reducing the fraction, the answer is 171/5
- In mixed form: 341/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2-72/20 72/4-36/20 72/2-36/40 72/6-36/20 72/2-36/60 72/10-36/20 72/14-36/20