Add 18/84 and 40/6
1st number: 18/84, 2nd number: 6 4/6
18/84 + 40/6 is 289/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
18/84 = 18 × 1/84 × 1 = 18/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
40/6 = 40 × 14/6 × 14 = 560/84 - Add the two like fractions:
18/84 + 560/84 = 18 + 560/84 = 578/84 - 578/84 simplified gives 289/42
- So, 18/84 + 40/6 = 289/42
In mixed form: 637/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/84+40/6 18/84+80/6 18/84+40/12 54/84+40/6 18/84+40/18 90/84+40/6 18/84+40/30 18/84+40/42