Find the error sienna used base-ten blocks to find 45÷3 .explain her error
1 answer:
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Step-by-step explanation:
1. 4/10 + 15/10
The two fractions have like denominators so you can add the numerators.
Then:
4+15/10=19/10
This fraction cannot be reduced.
The fraction
19/10
is the same as
19÷10
Convert to a mixed number using
long division for 19 ÷ 10 = 1R9, so
19/10=19/10
Therefore:
4/10+15/10=1 9/10
2. 50/20+60/20=5 1/2
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