Add 54/81 and 12/15
54/81 + 12/15 is 22/15.
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,
54/81 = 54 × 5/81 × 5 = 270/405 - Likewise, for the 2nd fraction, since 15 × 27 = 405,
12/15 = 12 × 27/15 × 27 = 324/405 - Add the two like fractions:
270/405 + 324/405 = 270 + 324/405 = 594/405 - 594/405 simplified gives 22/15
- So, 54/81 + 12/15 = 22/15
In mixed form: 17/15
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