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photoshop1234 [79]
2 years ago
5

2 2/7× 5 1/6what is the answer to this question pls tell me ​

Mathematics
2 answers:
hodyreva [135]2 years ago
7 0

Answer:

7 19/42

Step 1:

Convert the mixed fractions into improper fraction (Denominator will be same)

2x7+2= 16/7

5x6+1=31/6

Step 2:

LCM of 6 and 7 are 42

Step 3:

217+96/42= 313/42

Step 4:

Covert to mixed fraction so the answer is 7 19/42

Sunny_sXe [5.5K]2 years ago
6 0

9514 1404 393

Answer:

  11 17/21

Step-by-step explanation:

The method usually recommended is to convert back and forth between mixed numbers and improper fractions. As with the product of any fractions, the product is the product of numerators, divided by the product of denominators.

  (2 2/7) × (5 1/6) = (16/7)×(31/6) = (16·31)/(7·6) = 8·31/(7·3) = 248/21

  = (231 +17)/21 = 11 17/21

__

Alternatively, you can multiply the parts of the sum.

  (2 2/7) × (5 1/6) = 2×5 +2×1/6 +2/7×5 +2/7×1/6 = 10 + 1/3 + 10/7 + 1/21

  = 11 + 7/21 + 9/21 + 1/21 . . . . . . recognizing 10/7 = 1 3/7 = 1 9/21

  = 11 17/21

__

Many graphing calculators (and some good calculator apps) can do mixed-number arithmetic directly. It pays to learn to use your calculator.

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