Subtract 50/54 from 8/7
1st number: 1 1/7, 2nd number: 50/54
8/7 - 50/54 is 41/189.
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,
8/7 = 8 × 54/7 × 54 = 432/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
50/54 = 50 × 7/54 × 7 = 350/378 - Subtract the two like fractions:
432/378 - 350/378 = 432 - 350/378 = 82/378 - After reducing the fraction, the answer is 41/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7-50/54 8/14-50/54 24/7-50/54 8/21-50/54 40/7-50/54 8/35-50/54 56/7-50/54 8/49-50/54