Subtract 2/54 from 90/63
1st number: 1 27/63, 2nd number: 2/54
90/63 - 2/54 is 263/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
90/63 = 90 × 6/63 × 6 = 540/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378 - Subtract the two like fractions:
540/378 - 14/378 = 540 - 14/378 = 526/378 - After reducing the fraction, the answer is 263/189
- In mixed form: 174/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63-4/54 90/63-6/54 90/63-10/54 90/63-14/54