Add 21/81 and 30/50
21/81 + 30/50 is 116/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
21/81 = 21 × 50/81 × 50 = 1050/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
30/50 = 30 × 81/50 × 81 = 2430/4050 - Add the two like fractions:
1050/4050 + 2430/4050 = 1050 + 2430/4050 = 3480/4050 - 3480/4050 simplified gives 116/135
- So, 21/81 + 30/50 = 116/135
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