Solving problems with rational numbers in fraction form
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Now Playing:Solve problems with rational numbers in fraction form – Example 1a
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Estimate and calculate.
54- 65
-32- (−65)
-83 + (−41)
- 52 + (−73)
194 + (−132)
141 - 281
-131÷ (−231)
-341 ÷ 121
-95 ÷ 127
-61× (−73)
151 ÷ 161
85(−94)
Sam had $45 in his bank account. He first withdrew 51 of his saving. Then he took 81 out from his remaining money. How much money is still left in his bank account?
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Similar to the previous section, we will practice adding, subtracting, multiplying, and dividing rational numbers. Rational numbers can be expressed in two forms: fraction form and decimal form. This time, we will deal with rational numbers in fraction form.