Subtract 4/20 from 63/4
1st number: 15 3/4, 2nd number: 4/20
63/4 - 4/20 is 311/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
4/20 = 4 × 1/20 × 1 = 4/20 - Subtract the two like fractions:
315/20 - 4/20 = 315 - 4/20 = 311/20 - In mixed form: 1511/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-8/20 63/8-4/20 63/4-4/40 63/4-12/20 63/12-4/20 63/4-4/60 63/20-4/20 63/4-28/20 63/28-4/20