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Question

Find the product : 112×56×815×34


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Solution

Step 1. Convert the mixed fraction into an improper fraction.

112=1×2+12

=2+12

=32

Step 2. Multiply the first fraction 32 with the second fraction 56.

=32×56

=3×52×6

=1512

And reduce the fraction1512 into its lowest terms, dividing the numerator and denominator by the greatest common factor 3.

=15÷312÷3

=54

Step 3. Multiply the third fraction 815 with the third fraction 34 .

=815×34

=8×315×4

=2460

And reduce the fraction 2460 into its lowest terms, dividing the numerator and denominator by the greatest common factor 12

=24÷1260÷12

=25

Step 4. Multiply both results to get the final answer.

=54×25

=5×24×5

=1020

And reduce the fraction 1020 into its lowest terms, dividing the numerator and denominator by the greatest common factor 10.

=10÷1020÷10

=12

Hence, the required answer is 12.


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