Add the following.
$4.56 + 7.9$

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Solution

The steps to add decimals are as follows:
Step 1: Change all the given decimals to like decimals.
Step 2: Arrange the decimals in columns such that the digits having the same place value are placed in the same column. The decimal points must also be positioned in the same column.
Step 3: Now, add the arranged numbers like whole numbers.
Step 4: In the sum, put the decimal point in the decimal point column.
$4 . 5 6 + 7 . 9 0 - - - - - - - - - - 12 . 4 6$
Hence, the value of $4.56 + 7.9$ is $12.46$ .

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Simplify :

$0.675 + 4.56 - 24.06 + 1.2356 + 0.4$

Question 79 (c)

Identify the greater number, in each of the following.
$7.9 \times 10^{4} o r 5.28 \times 10^{5}$

Simplify :

$15.03 - 12.635 + 7.9$

$28.35 + 4.56 =__$

Simplify;

$4.56 + 32 - 0.367$

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