Subtract 56/84 from 27/10
1st number: 2 7/10, 2nd number: 56/84
27/10 - 56/84 is 61/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
27/10 = 27 × 42/10 × 42 = 1134/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
56/84 = 56 × 5/84 × 5 = 280/420 - Subtract the two like fractions:
1134/420 - 280/420 = 1134 - 280/420 = 854/420 - After reducing the fraction, the answer is 61/30
- In mixed form: 21/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-56/84 27/20-56/84 81/10-56/84 27/30-56/84 27/50-56/84 27/70-56/84