Add 15/9 and 18/5
1st number: 1 6/9, 2nd number: 3 3/5
15/9 + 18/5 is 79/15.
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,
15/9 = 15 × 5/9 × 5 = 75/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
18/5 = 18 × 9/5 × 9 = 162/45 - Add the two like fractions:
75/45 + 162/45 = 75 + 162/45 = 237/45 - 237/45 simplified gives 79/15
- So, 15/9 + 18/5 = 79/15
In mixed form: 54/15
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