Subtract 84/4 from 63/12
1st number: 5 3/12, 2nd number: 21 0/4
63/12 - 84/4 is -63/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
63/12 = 63 × 1/12 × 1 = 63/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
84/4 = 84 × 3/4 × 3 = 252/12 - Subtract the two like fractions:
63/12 - 252/12 = 63 - 252/12 = -189/12 - After reducing the fraction, the answer is -63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/24-84/4 63/12-84/8 63/36-84/4 63/12-84/12 63/60-84/4 63/12-84/20 63/84-84/4 63/12-84/28