Add 28/45 and 9/81
28/45 + 9/81 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
28/45 = 28 × 9/45 × 9 = 252/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
9/81 = 9 × 5/81 × 5 = 45/405 - Add the two like fractions:
252/405 + 45/405 = 252 + 45/405 = 297/405 - 297/405 simplified gives 11/15
- So, 28/45 + 9/81 = 11/15
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