Subtract 63/20 from 20/5
1st number: 4 0/5, 2nd number: 3 3/20
20/5 - 63/20 is 17/20.
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,
20/5 = 20 × 4/5 × 4 = 80/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
63/20 = 63 × 1/20 × 1 = 63/20 - Subtract the two like fractions:
80/20 - 63/20 = 80 - 63/20 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-63/20 20/10-63/20 20/5-63/40 60/5-63/20 20/15-63/20 20/5-63/60 20/25-63/20 20/35-63/20