Subtract 40/12 from 1/63
1st number: 1/63, 2nd number: 3 4/12
1/63 - 40/12 is -209/63.
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,
1/63 = 1 × 4/63 × 4 = 4/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
40/12 = 40 × 21/12 × 21 = 840/252 - Subtract the two like fractions:
4/252 - 840/252 = 4 - 840/252 = -836/252 - After reducing the fraction, the answer is -209/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63-40/12 1/63-80/12 1/63-40/24 3/63-40/12 1/63-40/36 5/63-40/12 1/63-40/60 7/63-40/12 1/63-40/84