Subtract 56/27 from 30/63
1st number: 30/63, 2nd number: 2 2/27
30/63 - 56/27 is -302/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 63 × 3 = 189,
30/63 = 30 × 3/63 × 3 = 90/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
56/27 = 56 × 7/27 × 7 = 392/189 - Subtract the two like fractions:
90/189 - 392/189 = 90 - 392/189 = -302/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63-56/27 30/63-56/54 90/63-56/27 30/63-56/81