Subtract 4/27 from 42/63
42/63 - 4/27 is 14/27.
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,
42/63 = 42 × 3/63 × 3 = 126/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
4/27 = 4 × 7/27 × 7 = 28/189 - Subtract the two like fractions:
126/189 - 28/189 = 126 - 28/189 = 98/189 - After reducing the fraction, the answer is 14/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63-4/27 42/63-8/27 42/63-4/54 42/63-12/27 42/63-4/81 42/63-20/27 42/63-28/27