정수와 유리수 연습문제 — OpenStax Prealgebra · 4.1절 · 12번

OpenStax Prealgebra · 4.1절 · 12번우리말 번역

대분수 $10\frac{2}{7}$ 을 가분수로 나타내세요.

영어 원문 보기

Convert the mixed number $10\frac{2}{7}$ to an improper fraction.

정답·풀이 보기

원본 교재 풀이(영어)


	$10\frac{2}{7}$
Multiply the whole number by the denominator.
The whole number is 10 and the denominator is 7.	$A fraction with a numerator of '10 times 7 plus an empty square' and a denominator of 'an empty square'.$
Simplify.	$A mathematical expression featuring a fraction with '70 + blank square' in the numerator and a 'blank square' in the denominator, set up like a fill-in-the-blanks problem.$
Add the numerator to the product.
The numerator of the mixed number is 2.	$A mathematical expression showing 70 + 2 as the numerator of a fraction, with an empty square box as the denominator, indicating a missing value.$
Simplify.	$A fraction with 72 in the numerator and a placeholder square in the denominator.$
Write the final sum over the original denominator.
The denominator is 7.	$\frac{72}{7}$

한 번 더 — 비슷한 문제OpenStax Prealgebra · 3.2절 · 15번우리말 번역

정수가 포함된 식 간단히 하기

다음 문제에서 각 식을 간단히 하세요.

$2+(-8)+6$

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