Add 20/9 and 40/18
1st number: 2 2/9, 2nd number: 2 4/18
20/9 + 40/18 is 40/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
20/9 = 20 × 2/9 × 2 = 40/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
40/18 = 40 × 1/18 × 1 = 40/18 - Add the two like fractions:
40/18 + 40/18 = 40 + 40/18 = 80/18 - 80/18 simplified gives 40/9
- So, 20/9 + 40/18 = 40/9
In mixed form: 44/9
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