Subtract 27/63 from 1/12
1/12 - 27/63 is -29/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
1/12 = 1 × 21/12 × 21 = 21/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
27/63 = 27 × 4/63 × 4 = 108/252 - Subtract the two like fractions:
21/252 - 108/252 = 21 - 108/252 = -87/252 - After reducing the fraction, the answer is -29/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-27/63 1/12-54/63 1/24-27/63 3/12-27/63 1/12-81/63 1/36-27/63 5/12-27/63 1/60-27/63 7/12-27/63 1/84-27/63