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2 years ago

Pair of fractions having sum 1

Mathematics

2 answers:

Strike441 [17]2 years ago

7 0

One such pair is 1/4 and 3/4

1/4 + 3/4 = (1 + 3)/4 = 4/4

= 1

shtirl [24]2 years ago

6 0

There are many. 1/2 plus 1/2 has a sum of 1. 1/4 plus 3/4 also has a sum of one. Basically the numerator has to add up to the denominator. If the denominators are different, then find the LCM of them and then add.

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Solve the following multiplication and division problems.

algol13

Answer:

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Step-by-step explanation:

a. You can convert from hectometers to kilometers, and then you can make the multiplication:

$\frac{5hm}{10}=0.5km$

$(3km)(0.5km)(15)=22.5km$

b. You can convert from centimeters to meters, and then you can make the multiplication:

$\frac{44cm}{100}=0.44m\\(19m)(0.44m)(32)=267.52m$

c. You only need to divide 1,140 meters by 12:

$\frac{1,140m}{12})=95m$

d. You can convert from hectometers to kilometers, from decameters to kilometers and from meters to kilometers, and divide this by 15:

$\frac{6hm}{10}=0.6km$

$\frac{7dam}{100}=0.07km$

$\frac{5m}{1000}=0.005km$

$\frac{(3km)(0.6km)(0.07km)(0.005km)}{15}=(4.2)(10^{-5})$ km

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