Subtract 5/18 from 35/42
35/42 - 5/18 is 5/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
35/42 = 35 × 3/42 × 3 = 105/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
5/18 = 5 × 7/18 × 7 = 35/126 - Subtract the two like fractions:
105/126 - 35/126 = 105 - 35/126 = 70/126 - After reducing the fraction, the answer is 5/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42-5/18 35/42-10/18 35/84-5/18 35/42-5/36 35/42-15/18 35/42-5/54 35/42-25/18 35/42-5/90 35/42-35/18