Add 18/4 and 28/9
1st number: 4 2/4, 2nd number: 3 1/9
18/4 + 28/9 is 137/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
18/4 = 18 × 9/4 × 9 = 162/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
28/9 = 28 × 4/9 × 4 = 112/36 - Add the two like fractions:
162/36 + 112/36 = 162 + 112/36 = 274/36 - 274/36 simplified gives 137/18
- So, 18/4 + 28/9 = 137/18
In mixed form: 711/18
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