Subtract 14/18 from 12/15
12/15 - 14/18 is 1/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
12/15 = 12 × 6/15 × 6 = 72/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
14/18 = 14 × 5/18 × 5 = 70/90 - Subtract the two like fractions:
72/90 - 70/90 = 72 - 70/90 = 2/90 - After reducing the fraction, the answer is 1/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-14/18 12/15-28/18 12/30-14/18 12/15-14/36 36/15-14/18 12/15-42/18 12/45-14/18 12/15-14/54 60/15-14/18 12/15-70/18 12/75-14/18 12/15-14/90 84/15-14/18 12/15-98/18