Add 60/20 and 70/81
1st number: 3 0/20, 2nd number: 70/81
60/20 + 70/81 is 313/81.
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,
60/20 = 60 × 81/20 × 81 = 4860/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
70/81 = 70 × 20/81 × 20 = 1400/1620 - Add the two like fractions:
4860/1620 + 1400/1620 = 4860 + 1400/1620 = 6260/1620 - 6260/1620 simplified gives 313/81
- So, 60/20 + 70/81 = 313/81
In mixed form: 370/81
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