Subtract 63/5 from 49/4
1st number: 12 1/4, 2nd number: 12 3/5
49/4 - 63/5 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
49/4 = 49 × 5/4 × 5 = 245/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
63/5 = 63 × 4/5 × 4 = 252/20 - Subtract the two like fractions:
245/20 - 252/20 = 245 - 252/20 = -7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4-63/5 49/8-63/5 49/4-63/10 49/12-63/5 49/4-63/15 49/20-63/5 49/4-63/25 49/28-63/5 49/4-63/35