Subtract 45/7 from 2/54
1st number: 2/54, 2nd number: 6 3/7
2/54 - 45/7 is -1208/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
45/7 = 45 × 54/7 × 54 = 2430/378 - Subtract the two like fractions:
14/378 - 2430/378 = 14 - 2430/378 = -2416/378 - After reducing the fraction, the answer is -1208/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54-45/7 2/54-90/7 2/54-45/14 6/54-45/7 2/54-45/21 10/54-45/7 2/54-45/35 14/54-45/7 2/54-45/49