Answer:

Asked: How much rice is left

Given: 1/2 and 1/10

operation to be used:Subtraction

number sentence: 1/2 - 1/10 = N

Solution: 2/5

Checking: 1 x 5 - 1

               2 x 5 - 10

               5/10 - 1/10

                   5-1

                    10

                   =4/10

                     4÷2

                     10÷2

                    = 2/5

Step-by-step explanation:

hope it helps

Asked :

How much rice left?

Given :

1/2 snack of rice Mrs. Santos bought

1/10 Mrs. Santos used

Operation to be used :

Subtraction

Number sentence :

1/2 - 1/10 = n

Solution :

- = n

=

=

- = ÷ =

Cheeking :

of rice was left.

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