Add 12/81 and 70/20
1st number: 12/81, 2nd number: 3 10/20
12/81 + 70/20 is 197/54.
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,
12/81 = 12 × 20/81 × 20 = 240/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
70/20 = 70 × 81/20 × 81 = 5670/1620 - Add the two like fractions:
240/1620 + 5670/1620 = 240 + 5670/1620 = 5910/1620 - 5910/1620 simplified gives 197/54
- So, 12/81 + 70/20 = 197/54
In mixed form: 335/54
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