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1(2/3) + 2(4/9)  – 3(7/15) =  ?

  • a)
    0.14

  • b)
    0.55

  • c)
    0.72

  • d)
    0.58

  • e)
    0.46

Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
1(2/3) + 2(4/9) – 3(7/15) = ?a)0.14b)0.55c)0.72d)0.58e)0.46Corre...
2/3 + 8/9 - 21/15 
28/18 - 21/15
140-126/90
7/45 = 0.15
So option A is correct
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Community Answer
1(2/3) + 2(4/9) – 3(7/15) = ?a)0.14b)0.55c)0.72d)0.58e)0.46Corre...
To add these two mixed numbers, we need to first convert them to improper fractions:

1(2/3) = (3*1 + 2)/3 = 5/3
2(4/9) = (9*2 + 4)/9 = 22/9

Now, we can add the two fractions:

5/3 + 22/9

To add fractions with different denominators, we need to find a common denominator. In this case, the least common multiple of 3 and 9 is 9. We can convert both fractions to have a denominator of 9:

5/3 * 3/3 = 15/9
22/9 * 1/1 = 22/9

Now we can add the two fractions:

15/9 + 22/9 = 37/9

This is an improper fraction, so we can convert it back to a mixed number:

37/9 = 4(1/9)

Therefore, 1(2/3) + 2(4/9) = 4(1/9).
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