Subtract 63/81 from 6/5
1st number: 1 1/5, 2nd number: 63/81
6/5 - 63/81 is 19/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
6/5 = 6 × 81/5 × 81 = 486/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
63/81 = 63 × 5/81 × 5 = 315/405 - Subtract the two like fractions:
486/405 - 315/405 = 486 - 315/405 = 171/405 - After reducing the fraction, the answer is 19/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/5-63/81 6/10-63/81 18/5-63/81 6/15-63/81 30/5-63/81 6/25-63/81 42/5-63/81 6/35-63/81