Subtract 84/63 from 5/27
1st number: 5/27, 2nd number: 1 21/63
5/27 - 84/63 is -31/27.
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,
5/27 = 5 × 7/27 × 7 = 35/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
84/63 = 84 × 3/63 × 3 = 252/189 - Subtract the two like fractions:
35/189 - 252/189 = 35 - 252/189 = -217/189 - After reducing the fraction, the answer is -31/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/27-84/63 5/54-84/63 15/27-84/63 5/81-84/63 25/27-84/63 35/27-84/63