Subtract 14/36 from 42/15
1st number: 2 12/15, 2nd number: 14/36
42/15 - 14/36 is 217/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
42/15 = 42 × 12/15 × 12 = 504/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
14/36 = 14 × 5/36 × 5 = 70/180 - Subtract the two like fractions:
504/180 - 70/180 = 504 - 70/180 = 434/180 - After reducing the fraction, the answer is 217/90
- In mixed form: 237/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15-14/36 42/15-28/36 42/30-14/36 42/15-14/72 42/15-42/36 42/45-14/36 42/15-70/36 42/75-14/36 42/15-98/36