Subtract 63/4 from 15/20
1st number: 15/20, 2nd number: 15 3/4
15/20 - 63/4 is -15/1.
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,
15/20 = 15 × 1/20 × 1 = 15/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Subtract the two like fractions:
15/20 - 315/20 = 15 - 315/20 = -300/20 - After reducing the fraction, the answer is -15/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20-63/4 15/40-63/4 15/20-63/8 45/20-63/4 15/60-63/4 15/20-63/12 75/20-63/4 15/20-63/20 15/20-63/28