Subtract 90/12 from 36/25
1st number: 1 11/25, 2nd number: 7 6/12
36/25 - 90/12 is -303/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
36/25 = 36 × 12/25 × 12 = 432/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
90/12 = 90 × 25/12 × 25 = 2250/300 - Subtract the two like fractions:
432/300 - 2250/300 = 432 - 2250/300 = -1818/300 - After reducing the fraction, the answer is -303/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/25-90/12 36/50-90/12 36/25-90/24 36/75-90/12 36/25-90/36 36/25-90/60 36/25-90/84