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Sergeu [11.5K]
4 years ago
15

When adding or subtracting two decimals, what is the first thing you must do

Mathematics
1 answer:
polet [3.4K]4 years ago
5 0
Line up the decimals
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Solve your answer in the simplest form or as a mixed number. <br>5 7/9 + 4 5/6​
ss7ja [257]

Answer:

10 11/18

Step-by-step explanation:

5 42/54   4 45/54

9 87/54

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10 11/18

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One fifth of one number and one fourth of a number are added, the result is 29. What is the original number?
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Answer:

\dfrac{580}{9}

Step-by-step explanation:

\dfrac{1}{5}x + \dfrac{1}{4}x = 29

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\dfrac{9}{20}x = 29

x = 29 \times \dfrac{20}{9}

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3 years ago
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Answer:

<h2>2a+18</h2>

Step-by-step explanation:

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Step-by-step explanation:

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Some help pls don't answer if you don't know also I’ll give brainliest.
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Step-by-step explanation:

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