Add 6/84 and 40/54
6/84 + 40/54 is 307/378.
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,
6/84 = 6 × 9/84 × 9 = 54/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
40/54 = 40 × 14/54 × 14 = 560/756 - Add the two like fractions:
54/756 + 560/756 = 54 + 560/756 = 614/756 - 614/756 simplified gives 307/378
- So, 6/84 + 40/54 = 307/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84+40/54 6/84+80/54 18/84+40/54 30/84+40/54 42/84+40/54