Subtract 35/63 from 81/15
1st number: 5 6/15, 2nd number: 35/63
81/15 - 35/63 is 218/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
81/15 = 81 × 21/15 × 21 = 1701/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
35/63 = 35 × 5/63 × 5 = 175/315 - Subtract the two like fractions:
1701/315 - 175/315 = 1701 - 175/315 = 1526/315 - After reducing the fraction, the answer is 218/45
- In mixed form: 438/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/15-70/63 81/30-35/63 81/45-35/63 81/75-35/63