Add 28/81 and 30/36
28/81 + 30/36 is 191/162.
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,
28/81 = 28 × 4/81 × 4 = 112/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
30/36 = 30 × 9/36 × 9 = 270/324 - Add the two like fractions:
112/324 + 270/324 = 112 + 270/324 = 382/324 - 382/324 simplified gives 191/162
- So, 28/81 + 30/36 = 191/162
In mixed form: 129/162
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