Subtract 10/84 from 5/15
5/15 - 10/84 is 3/14.
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,
5/15 = 5 × 28/15 × 28 = 140/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
10/84 = 10 × 5/84 × 5 = 50/420 - Subtract the two like fractions:
140/420 - 50/420 = 140 - 50/420 = 90/420 - After reducing the fraction, the answer is 3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15-10/84 5/15-20/84 5/30-10/84 5/15-30/84 5/45-10/84 25/15-10/84 5/15-50/84 5/75-10/84 35/15-10/84 5/15-70/84