Add 9/45 and 12/81
9/45 + 12/81 is 47/135.
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,
9/45 = 9 × 9/45 × 9 = 81/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
12/81 = 12 × 5/81 × 5 = 60/405 - Add the two like fractions:
81/405 + 60/405 = 81 + 60/405 = 141/405 - 141/405 simplified gives 47/135
- So, 9/45 + 12/81 = 47/135
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