Add 30/54 and 7/81
30/54 + 7/81 is 52/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 54 × 3 = 162,
30/54 = 30 × 3/54 × 3 = 90/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
7/81 = 7 × 2/81 × 2 = 14/162 - Add the two like fractions:
90/162 + 14/162 = 90 + 14/162 = 104/162 - 104/162 simplified gives 52/81
- So, 30/54 + 7/81 = 52/81
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