Subtract 40/63 from 40/27
1st number: 1 13/27, 2nd number: 40/63
40/27 - 40/63 is 160/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
40/27 = 40 × 7/27 × 7 = 280/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
40/63 = 40 × 3/63 × 3 = 120/189 - Subtract the two like fractions:
280/189 - 120/189 = 280 - 120/189 = 160/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/27-40/63 40/27-80/63 40/54-40/63 40/81-40/63