Add 18/28 and 40/6
1st number: 18/28, 2nd number: 6 4/6
18/28 + 40/6 is 307/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
18/28 = 18 × 3/28 × 3 = 54/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
40/6 = 40 × 14/6 × 14 = 560/84 - Add the two like fractions:
54/84 + 560/84 = 54 + 560/84 = 614/84 - 614/84 simplified gives 307/42
- So, 18/28 + 40/6 = 307/42
In mixed form: 713/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+40/6 18/28+80/6 18/56+40/6 18/28+40/12 54/28+40/6 18/84+40/6 18/28+40/18 90/28+40/6 18/28+40/30 18/28+40/42