Add 6/81 and 10/20
6/81 + 10/20 is 31/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 20 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
6/81 = 6 × 20/81 × 20 = 120/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
10/20 = 10 × 81/20 × 81 = 810/1620 - Add the two like fractions:
120/1620 + 810/1620 = 120 + 810/1620 = 930/1620 - 930/1620 simplified gives 31/54
- So, 6/81 + 10/20 = 31/54
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