Add 81/3 and 18/15
1st number: 27 0/3, 2nd number: 1 3/15
81/3 + 18/15 is 141/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
81/3 = 81 × 5/3 × 5 = 405/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
18/15 = 18 × 1/15 × 1 = 18/15 - Add the two like fractions:
405/15 + 18/15 = 405 + 18/15 = 423/15 - 423/15 simplified gives 141/5
- So, 81/3 + 18/15 = 141/5
In mixed form: 281/5
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