Add 30/81 and 20/36
30/81 + 20/36 is 25/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
30/81 = 30 × 4/81 × 4 = 120/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
20/36 = 20 × 9/36 × 9 = 180/324 - Add the two like fractions:
120/324 + 180/324 = 120 + 180/324 = 300/324 - 300/324 simplified gives 25/27
- So, 30/81 + 20/36 = 25/27
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