Add 36/15 and 42/81
1st number: 2 6/15, 2nd number: 42/81
36/15 + 42/81 is 394/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 15 × 27 = 405,
36/15 = 36 × 27/15 × 27 = 972/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
42/81 = 42 × 5/81 × 5 = 210/405 - Add the two like fractions:
972/405 + 210/405 = 972 + 210/405 = 1182/405 - 1182/405 simplified gives 394/135
- So, 36/15 + 42/81 = 394/135
In mixed form: 2124/135
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