Subtract 7/6 from 63/21
1st number: 3 0/21, 2nd number: 1 1/6
63/21 - 7/6 is 11/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
63/21 = 63 × 2/21 × 2 = 126/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
7/6 = 7 × 7/6 × 7 = 49/42 - Subtract the two like fractions:
126/42 - 49/42 = 126 - 49/42 = 77/42 - After reducing the fraction, the answer is 11/6
- In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21-14/6 63/42-7/6 63/21-7/12 63/21-21/6 63/21-7/18 63/21-35/6 63/21-7/30 63/21-49/6 63/21-7/42