Question

9 5/9 + 5 1/4 - 8 3/8 =

Answer 1

Ответ: 6 31/72

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Answer 2

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Answer 3

To add and subtract mixed numbers, you first need to find a common denominator for the fractions. In this case, the common denominator for 9/9, 1/4, and 3/8 is 72.

Now, convert each mixed number to an equivalent fraction with a denominator of 72:

9 5/9 = 9 * 9/9 + 5/9 = 81/9 + 5/9 = 86/9

5 1/4 = 5 * 4/4 + 1/4 = 20/4 + 1/4 = 21/4

8 3/8 = 8 * 8/8 + 3/8 = 64/8 + 3/8 = 67/8

Now, you can add and subtract the fractions:

86/9 + 21/4 - 67/8

To add and subtract fractions, they must have the same denominator. In this case, the common denominator is 72.

Now, find equivalent fractions with a denominator of 72:

(86/9) * (8/8) = 688/72 (21/4) * (18/18) = 378/72 (67/8) * (9/9) = 603/72

Now, you can add and subtract the fractions:

(688/72) + (378/72) - (603/72) = (688 + 378 - 603) / 72 = 463/72

So, 9 5/9 + 5 1/4 - 8 3/8 = 463/72 as a mixed number. To express it as a mixed number, you can divide 463 by 72:

463 ÷ 72 = 6 with a remainder of 47

So, the answer is 6 47/72.