Subtract 42/3 from 63/12
1st number: 5 3/12, 2nd number: 14 0/3
63/12 - 42/3 is -35/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 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 3 × 4 = 12,
42/3 = 42 × 4/3 × 4 = 168/12 - Subtract the two like fractions:
63/12 - 168/12 = 63 - 168/12 = -105/12 - After reducing the fraction, the answer is -35/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-84/3 63/24-42/3 63/12-42/6 63/36-42/3 63/12-42/9 63/60-42/3 63/12-42/15 63/84-42/3 63/12-42/21