Before multiplying fractions change any mixed numbers to [A] decimals
[B] estimated numbers
[C] percent
[D] improper fractions

9514 1404 393

  [D] improper fractions

Step-by-step explanation:

The usual recommendation for doing much of anything with mixed numbers is to change them to improper fractions.

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However, that isn't always necessary. If you're doing the arithmetic with a calculator, it can be helpful to convert them to decimal numbers.* Sometimes, you can work with mixed numbers by working with the integer and fractional parts separately.

Sometimes a simple rewrite makes working with mixed numbers easier. (That is, converting part of the integer portion to a fraction may be useful in some cases.

Example:

  (29 1/3) × (1/2) = (28 4/3) × (1/2) = 14 2/3

* Some calculators will do arithmetic directly with mixed numbers and/or fractions. If yours doesn't, it can be helpful to memorize the decimal equivalents of a few common fractions: 1/3, 2/3, 1/6, 1/7, 1/9, 1/11 for example. This will help you convert the decimal result back to a mixed number.

i think it is 70

step-by-step explanation: