Add 18/28 and 5/6
18/28 + 5/6 is 31/21.
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,
5/6 = 5 × 14/6 × 14 = 70/84 - Add the two like fractions:
54/84 + 70/84 = 54 + 70/84 = 124/84 - 124/84 simplified gives 31/21
- So, 18/28 + 5/6 = 31/21
In mixed form: 110/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+5/6 18/28+10/6 18/56+5/6 18/28+5/12 54/28+5/6 18/28+15/6 18/84+5/6 18/28+5/18 90/28+5/6 18/28+25/6 18/28+5/30 18/28+35/6 18/28+5/42