Perform each operation using regrouping (do not change the m…
Perform each operation using regrouping (do not change the mixed numbers into improper fractions). Show all your work on paper and type in your finals answer in the blanks as mixed numbers. Use a/b for fractions. a) 12 7 [a] b) 8
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Obtain a front-end approximation for each sum and difference by using the leading digit. Then obtain a second approximation by rounding to the leading digit. Leading digits: [a1] Rounding: [a2] Leading digits: [b1] Rounding: [b2]
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