Add 16/81 and 40/20
1st number: 16/81, 2nd number: 2 0/20
16/81 + 40/20 is 178/81.
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,
16/81 = 16 × 20/81 × 20 = 320/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
40/20 = 40 × 81/20 × 81 = 3240/1620 - Add the two like fractions:
320/1620 + 3240/1620 = 320 + 3240/1620 = 3560/1620 - 3560/1620 simplified gives 178/81
- So, 16/81 + 40/20 = 178/81
In mixed form: 216/81
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