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postnew [5]
2 years ago
14

On a number line, which fraction is between 1/4 and 1/5?

Mathematics
2 answers:
Dmitriy789 [7]2 years ago
8 0

Answer:

\dfrac{9}{40}

Step-by-step explanation:

Subtract 1/5 from 1/4, divide by 2, then add to 1/5:

\implies \dfrac{\frac14-\frac15}{2}+\dfrac15

\implies \dfrac{\frac{5}{20}-\frac{4}{20}}{2}+\dfrac15

\implies \dfrac{\frac{1}{20}}{2}+\dfrac15

\implies \dfrac{1}{20} \times \dfrac12+\dfrac15

\implies \dfrac{1}{40}+\dfrac15

\implies \dfrac{1}{40}+\dfrac{8}{40}

\implies \dfrac{9}{40}

Finger [1]2 years ago
5 0

Answer:

7/32

Step-by-step explanation:

≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡

<u>To find a fraction between 1/4 and 1/5:</u>

1. Make common denominators with both fractions. The larger the <u>common denominator</u>, the more you will find.

2. Choose any fraction between 1/4 and 1/5. That fraction will be in between 1/4 and 1/5.

≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡

\dfrac{1}{4}\ \text{and }\dfrac{1}{5} \ \rightarrow \ \dfrac{1 \times 40}{4 \times 40}  \ \text{and} \ \dfrac{1 \times 32}{5 \times 32} \ \rightarrow \ \dfrac{40}{160} \ \text{and} \ \dfrac{32}{160}

Now, you may choose any fraction between 40/160 and 32/160.

My chosen fraction is 35/160, which when simplified, gives 7/32.

≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡

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