Subtract 81/84 from 6/5
1st number: 1 1/5, 2nd number: 81/84
6/5 - 81/84 is 33/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
6/5 = 6 × 84/5 × 84 = 504/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
81/84 = 81 × 5/84 × 5 = 405/420 - Subtract the two like fractions:
504/420 - 405/420 = 504 - 405/420 = 99/420 - After reducing the fraction, the answer is 33/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/5-81/84 6/10-81/84 18/5-81/84 6/15-81/84 30/5-81/84 6/25-81/84 42/5-81/84 6/35-81/84