Subtract 9/14 from 40/84
40/84 - 9/14 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
9/14 = 9 × 6/14 × 6 = 54/84 - Subtract the two like fractions:
40/84 - 54/84 = 40 - 54/84 = -14/84 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84-9/14 40/84-18/14 40/84-9/28 40/84-27/14 40/84-9/42 40/84-45/14 40/84-9/70 40/84-63/14 40/84-9/98