Subtract 63/4 from 4/20
1st number: 4/20, 2nd number: 15 3/4
4/20 - 63/4 is -311/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
4/20 = 4 × 1/20 × 1 = 4/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Subtract the two like fractions:
4/20 - 315/20 = 4 - 315/20 = -311/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20-63/4 4/40-63/4 4/20-63/8 12/20-63/4 4/60-63/4 4/20-63/12 4/20-63/20 28/20-63/4 4/20-63/28