Mathematics: 1 13/15 divided 1 2/5

1200 doctorsx. 3- = -2000. 5...

1 13/15 divided 1 2/5 - id1131512514369841, nisha87

Ответ:

blink182lovgabbie

18.09.2021

Mathematics

1+13/15÷1+2/5

= 28/15÷7/5

= 28/15×5/7

= 4/3

The answer is 4/3.

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Ответ:

champions2k19

18.09.2021

Mathematics

$\frac{4}{3}$

Step-by-step explanation:

In order to find the answer to this question you need to convert the mixed numbers into improper fractions and then multiply using KCF. (Keep, Change, Flip)

$1\frac{13}{15} \div1\frac{2}{5}$

Convert into improper fractions:

$1\frac{13}{15} =15\times1+13=\frac{28}{15}$

$1\frac{2}{5} =5\times1=5+2=\frac{7}{5}$

$\frac{28}{15} \div\frac{7}{5}$

Use KCF:

$\frac{28}{15} \times\frac{5}{7}$

Solve:

$28\times5=140$

$15\times7=105$

$=\frac{140}{105}$

Simplify:

$140\div5=28$

$105\div5=21$

$=\frac{28}{21}$

$\frac{4}{3}$

Hope this helps.

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