Subtract 10/35 from 63/21
1st number: 3 0/21, 2nd number: 10/35
63/21 - 10/35 is 19/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
63/21 = 63 × 5/21 × 5 = 315/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
10/35 = 10 × 3/35 × 3 = 30/105 - Subtract the two like fractions:
315/105 - 30/105 = 315 - 30/105 = 285/105 - After reducing the fraction, the answer is 19/7
- In mixed form: 25/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21-20/35 63/42-10/35 63/21-10/70 63/21-30/35 63/21-50/35 63/21-70/35