Subtract 10/63 from 42/27
1st number: 1 15/27, 2nd number: 10/63
42/27 - 10/63 is 88/63.
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,
42/27 = 42 × 7/27 × 7 = 294/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
10/63 = 10 × 3/63 × 3 = 30/189 - Subtract the two like fractions:
294/189 - 30/189 = 294 - 30/189 = 264/189 - After reducing the fraction, the answer is 88/63
- In mixed form: 125/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27-10/63 42/27-20/63 42/54-10/63 42/27-30/63 42/81-10/63 42/27-50/63 42/27-70/63