Subtract 3/20 from 63/4
1st number: 15 3/4, 2nd number: 3/20
63/4 - 3/20 is 78/5.
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,
3/20 = 3 × 1/20 × 1 = 3/20 - Subtract the two like fractions:
315/20 - 3/20 = 315 - 3/20 = 312/20 - After reducing the fraction, the answer is 78/5
- In mixed form: 153/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-6/20 63/8-3/20 63/4-3/40 63/4-9/20 63/12-3/20 63/4-3/60 63/4-15/20 63/20-3/20 63/4-21/20 63/28-3/20