Subtract 63/5 from 7/20
1st number: 7/20, 2nd number: 12 3/5
7/20 - 63/5 is -49/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
7/20 = 7 × 1/20 × 1 = 7/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
63/5 = 63 × 4/5 × 4 = 252/20 - Subtract the two like fractions:
7/20 - 252/20 = 7 - 252/20 = -245/20 - After reducing the fraction, the answer is -49/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20-63/5 7/40-63/5 7/20-63/10 21/20-63/5 7/60-63/5 7/20-63/15 35/20-63/5 7/20-63/25 49/20-63/5 7/20-63/35