Add 20/18 and 90/27
1st number: 1 2/18, 2nd number: 3 9/27
20/18 + 90/27 is 40/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
20/18 = 20 × 3/18 × 3 = 60/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
90/27 = 90 × 2/27 × 2 = 180/54 - Add the two like fractions:
60/54 + 180/54 = 60 + 180/54 = 240/54 - 240/54 simplified gives 40/9
- So, 20/18 + 90/27 = 40/9
In mixed form: 44/9
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