Add 7/81 and 8/36
7/81 + 8/36 is 25/81.
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,
7/81 = 7 × 4/81 × 4 = 28/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
8/36 = 8 × 9/36 × 9 = 72/324 - Add the two like fractions:
28/324 + 72/324 = 28 + 72/324 = 100/324 - 100/324 simplified gives 25/81
- So, 7/81 + 8/36 = 25/81
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