Subtract 30/12 from 4/63
1st number: 4/63, 2nd number: 2 6/12
4/63 - 30/12 is -307/126.
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,
4/63 = 4 × 4/63 × 4 = 16/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
30/12 = 30 × 21/12 × 21 = 630/252 - Subtract the two like fractions:
16/252 - 630/252 = 16 - 630/252 = -614/252 - After reducing the fraction, the answer is -307/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63-30/12 4/63-60/12 4/63-30/24 12/63-30/12 4/63-90/12 4/63-30/36 20/63-30/12 4/63-30/60 28/63-30/12 4/63-30/84