Add 40/84 and 9/54
40/84 + 9/54 is 9/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
40/84 = 40 × 9/84 × 9 = 360/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
9/54 = 9 × 14/54 × 14 = 126/756 - Add the two like fractions:
360/756 + 126/756 = 360 + 126/756 = 486/756 - 486/756 simplified gives 9/14
- So, 40/84 + 9/54 = 9/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84+9/54 40/84+18/54 40/84+27/54 40/84+45/54 40/84+63/54