Add 36/81 and 42/15
1st number: 36/81, 2nd number: 2 12/15
36/81 + 42/15 is 146/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 15 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
36/81 = 36 × 5/81 × 5 = 180/405 - Likewise, for the 2nd fraction, since 15 × 27 = 405,
42/15 = 42 × 27/15 × 27 = 1134/405 - Add the two like fractions:
180/405 + 1134/405 = 180 + 1134/405 = 1314/405 - 1314/405 simplified gives 146/45
- So, 36/81 + 42/15 = 146/45
In mixed form: 311/45
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