Subtract 63/20 from 36/5
1st number: 7 1/5, 2nd number: 3 3/20
36/5 - 63/20 is 81/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
36/5 = 36 × 4/5 × 4 = 144/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
63/20 = 63 × 1/20 × 1 = 63/20 - Subtract the two like fractions:
144/20 - 63/20 = 144 - 63/20 = 81/20 - In mixed form: 41/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5-63/20 36/10-63/20 36/5-63/40 36/15-63/20 36/5-63/60 36/25-63/20 36/35-63/20