Subtract 28/12 from 10/63
1st number: 10/63, 2nd number: 2 4/12
10/63 - 28/12 is -137/63.
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,
10/63 = 10 × 4/63 × 4 = 40/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
28/12 = 28 × 21/12 × 21 = 588/252 - Subtract the two like fractions:
40/252 - 588/252 = 40 - 588/252 = -548/252 - After reducing the fraction, the answer is -137/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/63-28/12 10/63-56/12 10/63-28/24 30/63-28/12 10/63-84/12 10/63-28/36 50/63-28/12 10/63-28/60 70/63-28/12 10/63-28/84