Subtract 70/12 from 63/3
1st number: 21 0/3, 2nd number: 5 10/12
63/3 - 70/12 is 91/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
63/3 = 63 × 4/3 × 4 = 252/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
70/12 = 70 × 1/12 × 1 = 70/12 - Subtract the two like fractions:
252/12 - 70/12 = 252 - 70/12 = 182/12 - After reducing the fraction, the answer is 91/6
- In mixed form: 151/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/6-70/12 63/3-70/24 63/9-70/12 63/3-70/36 63/15-70/12 63/3-70/60 63/21-70/12 63/3-70/84