Subtract 80/63 from 8/27
1st number: 8/27, 2nd number: 1 17/63
8/27 - 80/63 is -184/189.
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,
8/27 = 8 × 7/27 × 7 = 56/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
80/63 = 80 × 3/63 × 3 = 240/189 - Subtract the two like fractions:
56/189 - 240/189 = 56 - 240/189 = -184/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/27-80/63 8/54-80/63 24/27-80/63 8/81-80/63 40/27-80/63 56/27-80/63