Add 18/9 and 6/5
1st number: 2 0/9, 2nd number: 1 1/5
18/9 + 6/5 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
6/5 = 6 × 9/5 × 9 = 54/45 - Add the two like fractions:
90/45 + 54/45 = 90 + 54/45 = 144/45 - 144/45 simplified gives 16/5
- So, 18/9 + 6/5 = 16/5
In mixed form: 31/5
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