Add 40/20 and 8/81
1st number: 2 0/20, 2nd number: 8/81
40/20 + 8/81 is 170/81.
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,
40/20 = 40 × 81/20 × 81 = 3240/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
8/81 = 8 × 20/81 × 20 = 160/1620 - Add the two like fractions:
3240/1620 + 160/1620 = 3240 + 160/1620 = 3400/1620 - 3400/1620 simplified gives 170/81
- So, 40/20 + 8/81 = 170/81
In mixed form: 28/81
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