Subtract 2/63 from 30/27
1st number: 1 3/27, 2nd number: 2/63
30/27 - 2/63 is 68/63.
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,
30/27 = 30 × 7/27 × 7 = 210/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
2/63 = 2 × 3/63 × 3 = 6/189 - Subtract the two like fractions:
210/189 - 6/189 = 210 - 6/189 = 204/189 - After reducing the fraction, the answer is 68/63
- In mixed form: 15/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27-2/63 30/27-4/63 30/54-2/63 90/27-2/63 30/27-6/63 30/81-2/63 30/27-10/63 30/27-14/63