Subtract 49/18 from 12/63
1st number: 12/63, 2nd number: 2 13/18
12/63 - 49/18 is -319/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
12/63 = 12 × 2/63 × 2 = 24/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
49/18 = 49 × 7/18 × 7 = 343/126 - Subtract the two like fractions:
24/126 - 343/126 = 24 - 343/126 = -319/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63-49/18 12/63-98/18 12/63-49/36 36/63-49/18 12/63-49/54 60/63-49/18 12/63-49/90 84/63-49/18