Subtract 15/84 from 10/15
10/15 - 15/84 is 41/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
10/15 = 10 × 28/15 × 28 = 280/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
15/84 = 15 × 5/84 × 5 = 75/420 - Subtract the two like fractions:
280/420 - 75/420 = 280 - 75/420 = 205/420 - After reducing the fraction, the answer is 41/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15-15/84 10/15-30/84 10/30-15/84 30/15-15/84 10/15-45/84 10/45-15/84 50/15-15/84 10/15-75/84 10/75-15/84 70/15-15/84