Subtract 35/36 from 45/84
45/84 - 35/36 is -55/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
45/84 = 45 × 3/84 × 3 = 135/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
35/36 = 35 × 7/36 × 7 = 245/252 - Subtract the two like fractions:
135/252 - 245/252 = 135 - 245/252 = -110/252 - After reducing the fraction, the answer is -55/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84-35/36 45/84-70/36 45/84-35/72