Subtract 10/84 from 12/27
12/27 - 10/84 is 41/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
12/27 = 12 × 28/27 × 28 = 336/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
10/84 = 10 × 9/84 × 9 = 90/756 - Subtract the two like fractions:
336/756 - 90/756 = 336 - 90/756 = 246/756 - After reducing the fraction, the answer is 41/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27-10/84 12/27-20/84 12/54-10/84 36/27-10/84 12/27-30/84 12/81-10/84 60/27-10/84 12/27-50/84 84/27-10/84 12/27-70/84