Adding/Subtracting mix numbers, whole numbers and fractions

Reduce fractions if you can first: Negatives are the smallest Multiplying/Dividing – Integers Rules, fractions or decimals. Same signs positive, different signs negative. Use 1 as a benchmark to estimate answer size. If 3.5 ÷ 2 = 1.75. Dividing by number greater than 1 gives an answer smaller than you started with. If 3.5 ÷ 0.8 = 4.375 ................
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