Add 1/20 and 30/81
1/20 + 30/81 is 227/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
1/20 = 1 × 81/20 × 81 = 81/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
30/81 = 30 × 20/81 × 20 = 600/1620 - Add the two like fractions:
81/1620 + 600/1620 = 81 + 600/1620 = 681/1620 - 681/1620 simplified gives 227/540
- So, 1/20 + 30/81 = 227/540
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