Add 21/54 and 35/81
21/54 + 35/81 is 133/162.
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,
21/54 = 21 × 3/54 × 3 = 63/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
35/81 = 35 × 2/81 × 2 = 70/162 - Add the two like fractions:
63/162 + 70/162 = 63 + 70/162 = 133/162 - So, 21/54 + 35/81 = 133/162
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