Subtract 2/27 from 45/63
45/63 - 2/27 is 121/189.
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,
45/63 = 45 × 3/63 × 3 = 135/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
2/27 = 2 × 7/27 × 7 = 14/189 - Subtract the two like fractions:
135/189 - 14/189 = 135 - 14/189 = 121/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63-2/27 45/63-4/27 45/63-2/54 45/63-6/27 45/63-2/81 45/63-10/27 45/63-14/27