Subtract 90/84 from 2/36
1st number: 2/36, 2nd number: 1 6/84
2/36 - 90/84 is -64/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
2/36 = 2 × 7/36 × 7 = 14/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
90/84 = 90 × 3/84 × 3 = 270/252 - Subtract the two like fractions:
14/252 - 270/252 = 14 - 270/252 = -256/252 - After reducing the fraction, the answer is -64/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/36-90/84 2/72-90/84 6/36-90/84 10/36-90/84 14/36-90/84