Subtract 90/27 from 14/84
1st number: 14/84, 2nd number: 3 9/27
14/84 - 90/27 is -19/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
14/84 = 14 × 9/84 × 9 = 126/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
90/27 = 90 × 28/27 × 28 = 2520/756 - Subtract the two like fractions:
126/756 - 2520/756 = 126 - 2520/756 = -2394/756 - After reducing the fraction, the answer is -19/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84-90/27 14/84-90/54 42/84-90/27 14/84-90/81 70/84-90/27 98/84-90/27