Subtract 14/21 from 63/35
1st number: 1 28/35, 2nd number: 14/21
63/35 - 14/21 is 17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
63/35 = 63 × 3/35 × 3 = 189/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
14/21 = 14 × 5/21 × 5 = 70/105 - Subtract the two like fractions:
189/105 - 70/105 = 189 - 70/105 = 119/105 - After reducing the fraction, the answer is 17/15
- In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/35-28/21 63/70-14/21 63/35-14/42 63/35-42/21 63/35-14/63 63/35-70/21 63/35-98/21