Subtract 4/27 from 50/42
1st number: 1 8/42, 2nd number: 4/27
50/42 - 4/27 is 197/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
50/42 = 50 × 9/42 × 9 = 450/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
4/27 = 4 × 14/27 × 14 = 56/378 - Subtract the two like fractions:
450/378 - 56/378 = 450 - 56/378 = 394/378 - After reducing the fraction, the answer is 197/189
- In mixed form: 18/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-8/27 50/84-4/27 50/42-4/54 50/42-12/27 50/42-4/81 50/42-20/27 50/42-28/27