Subtract 9/27 from 1/63
1/63 - 9/27 is -20/63.
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,
1/63 = 1 × 3/63 × 3 = 3/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
9/27 = 9 × 7/27 × 7 = 63/189 - Subtract the two like fractions:
3/189 - 63/189 = 3 - 63/189 = -60/189 - After reducing the fraction, the answer is -20/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63-9/27 1/63-18/27 1/63-9/54 3/63-9/27 1/63-9/81 5/63-9/27 1/63-45/27 7/63-9/27 1/63-63/27