Subtract 12/84 from 25/27
25/27 - 12/84 is 148/189.
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,
25/27 = 25 × 28/27 × 28 = 700/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
12/84 = 12 × 9/84 × 9 = 108/756 - Subtract the two like fractions:
700/756 - 108/756 = 700 - 108/756 = 592/756 - After reducing the fraction, the answer is 148/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/27-12/84 25/27-24/84 25/54-12/84 75/27-12/84 25/27-36/84 25/81-12/84 25/27-60/84