Subtract 56/54 from 2/7
1st number: 2/7, 2nd number: 1 2/54
2/7 - 56/54 is -142/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
2/7 = 2 × 54/7 × 54 = 108/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378 - Subtract the two like fractions:
108/378 - 392/378 = 108 - 392/378 = -284/378 - After reducing the fraction, the answer is -142/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7-56/54 2/14-56/54 6/7-56/54 2/21-56/54 10/7-56/54 2/35-56/54 14/7-56/54 2/49-56/54