Subtract 32/9 from 56/21
1st number: 2 14/21, 2nd number: 3 5/9
56/21 - 32/9 is -8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
56/21 = 56 × 3/21 × 3 = 168/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
32/9 = 32 × 7/9 × 7 = 224/63 - Subtract the two like fractions:
168/63 - 224/63 = 168 - 224/63 = -56/63 - After reducing the fraction, the answer is -8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21-64/9 56/42-32/9 56/21-32/18 56/21-96/9 56/63-32/9 56/21-32/27 56/21-32/45 56/21-32/63