Subtract 90/36 from 7/3
1st number: 2 1/3, 2nd number: 2 18/36
7/3 - 90/36 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 3 × 12 = 36,
7/3 = 7 × 12/3 × 12 = 84/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
90/36 = 90 × 1/36 × 1 = 90/36 - Subtract the two like fractions:
84/36 - 90/36 = 84 - 90/36 = -6/36 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3-90/36 7/6-90/36 7/3-90/72 21/3-90/36 7/9-90/36 35/3-90/36 7/15-90/36 49/3-90/36 7/21-90/36