Subtract 8/84 from 27/15
1st number: 1 12/15, 2nd number: 8/84
27/15 - 8/84 is 179/105.
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,
27/15 = 27 × 28/15 × 28 = 756/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
8/84 = 8 × 5/84 × 5 = 40/420 - Subtract the two like fractions:
756/420 - 40/420 = 756 - 40/420 = 716/420 - After reducing the fraction, the answer is 179/105
- In mixed form: 174/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-8/84 27/15-16/84 27/30-8/84 81/15-8/84 27/15-24/84 27/45-8/84 27/15-40/84 27/75-8/84 27/15-56/84