Subtract 35/42 from 50/56
50/56 - 35/42 is 5/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
50/56 = 50 × 3/56 × 3 = 150/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
35/42 = 35 × 4/42 × 4 = 140/168 - Subtract the two like fractions:
150/168 - 140/168 = 150 - 140/168 = 10/168 - After reducing the fraction, the answer is 5/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/56-70/42 50/56-35/84