Add 18/45 and 84/27
1st number: 18/45, 2nd number: 3 3/27
18/45 + 84/27 is 158/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
18/45 = 18 × 3/45 × 3 = 54/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
84/27 = 84 × 5/27 × 5 = 420/135 - Add the two like fractions:
54/135 + 420/135 = 54 + 420/135 = 474/135 - 474/135 simplified gives 158/45
- So, 18/45 + 84/27 = 158/45
In mixed form: 323/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+84/27 18/90+84/27 18/45+84/54 54/45+84/27 18/45+84/81 90/45+84/27