Subtract 35/90 from 35/12
1st number: 2 11/12, 2nd number: 35/90
35/12 - 35/90 is 91/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
35/12 = 35 × 15/12 × 15 = 525/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
35/90 = 35 × 2/90 × 2 = 70/180 - Subtract the two like fractions:
525/180 - 70/180 = 525 - 70/180 = 455/180 - After reducing the fraction, the answer is 91/36
- In mixed form: 219/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-35/90 35/12-70/90 35/24-35/90 35/36-35/90 35/60-35/90 35/84-35/90