Subtract 35/36 from 35/42
35/42 - 35/36 is -5/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
35/42 = 35 × 6/42 × 6 = 210/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
35/36 = 35 × 7/36 × 7 = 245/252 - Subtract the two like fractions:
210/252 - 245/252 = 210 - 245/252 = -35/252 - After reducing the fraction, the answer is -5/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42-35/36 35/42-70/36 35/84-35/36 35/42-35/72