Subtract 15/42 from 14/15
14/15 - 15/42 is 121/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
14/15 = 14 × 14/15 × 14 = 196/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210 - Subtract the two like fractions:
196/210 - 75/210 = 196 - 75/210 = 121/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15-15/42 14/15-30/42 14/30-15/42 14/15-15/84 42/15-15/42 14/15-45/42 14/45-15/42 70/15-15/42 14/15-75/42 14/75-15/42 98/15-15/42