Subtract 14/12 from 7/63
1st number: 7/63, 2nd number: 1 2/12
7/63 - 14/12 is -19/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
7/63 = 7 × 4/63 × 4 = 28/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
14/12 = 14 × 21/12 × 21 = 294/252 - Subtract the two like fractions:
28/252 - 294/252 = 28 - 294/252 = -266/252 - After reducing the fraction, the answer is -19/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/63-14/12 7/63-28/12 7/63-14/24 21/63-14/12 7/63-42/12 7/63-14/36 35/63-14/12 7/63-70/12 7/63-14/60 49/63-14/12 7/63-98/12 7/63-14/84