Add 18/15 and 81/5
1st number: 1 3/15, 2nd number: 16 1/5
18/15 + 81/5 is 87/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
18/15 = 18 × 1/15 × 1 = 18/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
81/5 = 81 × 3/5 × 3 = 243/15 - Add the two like fractions:
18/15 + 243/15 = 18 + 243/15 = 261/15 - 261/15 simplified gives 87/5
- So, 18/15 + 81/5 = 87/5
In mixed form: 172/5
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