Add 28/18 and 21/9
1st number: 1 10/18, 2nd number: 2 3/9
28/18 + 21/9 is 35/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
28/18 = 28 × 1/18 × 1 = 28/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
21/9 = 21 × 2/9 × 2 = 42/18 - Add the two like fractions:
28/18 + 42/18 = 28 + 42/18 = 70/18 - 70/18 simplified gives 35/9
- So, 28/18 + 21/9 = 35/9
In mixed form: 38/9
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