Subtract 2/54 from 45/7
1st number: 6 3/7, 2nd number: 2/54
45/7 - 2/54 is 1208/189.
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,
45/7 = 45 × 54/7 × 54 = 2430/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378 - Subtract the two like fractions:
2430/378 - 14/378 = 2430 - 14/378 = 2416/378 - After reducing the fraction, the answer is 1208/189
- In mixed form: 674/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-2/54 45/7-4/54 45/14-2/54 45/7-6/54 45/21-2/54 45/7-10/54 45/35-2/54 45/7-14/54 45/49-2/54