Subtract 14/90 from 14/12
1st number: 1 2/12, 2nd number: 14/90
14/12 - 14/90 is 91/90.
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,
14/12 = 14 × 15/12 × 15 = 210/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
14/90 = 14 × 2/90 × 2 = 28/180 - Subtract the two like fractions:
210/180 - 28/180 = 210 - 28/180 = 182/180 - After reducing the fraction, the answer is 91/90
- In mixed form: 11/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12-14/90 14/12-28/90 14/24-14/90 42/12-14/90 14/12-42/90 14/36-14/90 70/12-14/90 14/12-70/90 14/60-14/90 98/12-14/90 14/12-98/90 14/84-14/90