Subtract 56/21 from 9/10
1st number: 9/10, 2nd number: 2 14/21
9/10 - 56/21 is -53/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
9/10 = 9 × 21/10 × 21 = 189/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
56/21 = 56 × 10/21 × 10 = 560/210 - Subtract the two like fractions:
189/210 - 560/210 = 189 - 560/210 = -371/210 - After reducing the fraction, the answer is -53/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10-56/21 9/20-56/21 9/10-56/42 27/10-56/21 9/30-56/21 9/10-56/63 45/10-56/21 9/50-56/21 63/10-56/21 9/70-56/21