Subtract 63/84 from 27/12
1st number: 2 3/12, 2nd number: 63/84
27/12 - 63/84 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
63/84 = 63 × 1/84 × 1 = 63/84 - Subtract the two like fractions:
189/84 - 63/84 = 189 - 63/84 = 126/84 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-63/84 27/24-63/84 81/12-63/84 27/36-63/84 27/60-63/84 27/84-63/84