How do we multiply simple fractions involving mixed number and whole number?
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How do we multiply simple fractions involving mixed number and whole number?
please answer
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Answer:
Just as you add, subtract, multiply, and divide when working with whole numbers, you also use these operations when working with fractions. There are many times when it is necessary to multiply fractions and mixed numbers.
Step-by-step explanation:
example 1
213×7213×7
Solution
Step 1:
First, we write the mixed number 213213 as an improper fraction and rewrite whole number 7 as fraction 7171.
213=(2×3+1)3=73213=(2×3+1)3=73; 7=717=71
Step 2:
213×7=73×71213×7=73×71
Step 3:
Multiplying numerators and denominators
73×71=(7×7)(3×1)=49373×71=(7×7)(3×1)=493
Step 4:
493493 can be written as a mixed number as follows
493=1613493=1613
Step 5:
So, 213×7=1613