Subtract 80/63 from 50/27
1st number: 1 23/27, 2nd number: 1 17/63
50/27 - 80/63 is 110/189.
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,
50/27 = 50 × 7/27 × 7 = 350/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
80/63 = 80 × 3/63 × 3 = 240/189 - Subtract the two like fractions:
350/189 - 240/189 = 350 - 240/189 = 110/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/54-80/63 50/81-80/63