Subtract 5/7 from 63/3
1st number: 21 0/3, 2nd number: 5/7
63/3 - 5/7 is 142/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
63/3 = 63 × 7/3 × 7 = 441/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
5/7 = 5 × 3/7 × 3 = 15/21 - Subtract the two like fractions:
441/21 - 15/21 = 441 - 15/21 = 426/21 - After reducing the fraction, the answer is 142/7
- In mixed form: 202/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3-10/7 63/6-5/7 63/3-5/14 63/3-15/7 63/9-5/7 63/3-5/21 63/3-25/7 63/15-5/7 63/3-5/35 63/3-35/7 63/21-5/7 63/3-5/49