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AlexFokin [52]
3 years ago
12

What is 3 1/2 times 4?

Mathematics
2 answers:
ANEK [815]3 years ago
6 0

Answer: 14

Step-by-step explanation: To multiply a mixed number times a whole number, first write each of them as an improper fraction.

So we can rewrite 3 and 1/2 as the improper fraction 7/2

and we can write 4 as the improper fraction 4/1.

<em>If you've forgotten how to write a mixed number as an improper fraction, feel free to ask me below and I will review this with you.</em>

So now we have 7/2 × 4/1.

When we're multiplying fractions, we want to

cross-cancel first whenever possible.

So here, notice that we can cross-cancel 2 and 4 to 1 and 2.

So we have 7/1 × 2/1.

Now we just multiply across the numerators and multiply across the denominators and we have our answer, 14/1 or just 14.

devlian [24]3 years ago
5 0

Answer:

14

Step-by-step explanation:

3 1/2 × 4

Convert 3 1/2 to an improper fraction.

7/2 × 4

7/2 × 4/1

Multiply.

(7× 4) / (2 × 1)

28 / 2

= 14

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