Subtract 63/4 from 49/20
1st number: 2 9/20, 2nd number: 15 3/4
49/20 - 63/4 is -133/10.
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,
49/20 = 49 × 1/20 × 1 = 49/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Subtract the two like fractions:
49/20 - 315/20 = 49 - 315/20 = -266/20 - After reducing the fraction, the answer is -133/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-63/4 49/40-63/4 49/20-63/8 49/60-63/4 49/20-63/12 49/20-63/20 49/20-63/28