Subtract 9/84 from 6/15
6/15 - 9/84 is 41/140.
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,
6/15 = 6 × 28/15 × 28 = 168/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Subtract the two like fractions:
168/420 - 45/420 = 168 - 45/420 = 123/420 - After reducing the fraction, the answer is 41/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15-9/84 6/15-18/84 6/30-9/84 18/15-9/84 6/15-27/84 6/45-9/84 30/15-9/84 6/15-45/84 6/75-9/84 42/15-9/84 6/15-63/84