[질문] 4나누기 5분의4

4 ÷ 5분의4 계산:

1. 자연수 4를 분수로 쓰면 4/1
2. 나누는 분수 5분의4(=4/5)의 역수는 5/4
3. 곱하기로 바꿔 계산: 4/1 × 5/4 = 20/4 = 5

답: 5

참고 자료:

• https://infohotline.tistory.com/entry/%EB%B6%84%EC%88%98%EC%9D%98-%EB%82%98%EB%88%97%EC%85%88-%EB%8B%A8%EA%B3%84%EB%B3%84-%EC%84%A4%EB%AA%85-%EC%97%AD%EC%88%98-%ED%99%9C%EC%9A%A9-%EC%9B%90%EB%A6%AC-%EB%B0%8F-%EB%B3%B5%EC%9E%A1%ED%95%9C-%EB%AC%B8%EC%A0%9C-%ED%95%B4%EA%B2%B0-%EC%A0%84%EB%9E%B5-%EC%B4%9D%EC%A0%95%EB%A6%AC
• https://sangdammoa.com/calculator/fraction
• https://db20711.com/entry/%EB%B6%84%EC%88%98%EC%9D%98-%EB%82%98%EB%88%97%EC%85%88-%EC%B4%88%EB%93%B1%ED%95%99%EC%83%9D%EB%8F%84-%EC%9D%B4%ED%95%B4%ED%95%98%EA%B8%B0-%EC%89%BD%EB%8F%84%EB%A1%9D-%EC%84%A4%EB%AA%85%ED%95%A0%EA%B2%8C%EC%9A%94-%EC%97%AD%EC%88%98-%ED%97%B7%EA%B0%88%EB%A6%B4-%EB%95%8C-%EB%AC%B4%EC%A1%B0%EA%B1%B4-%EA%B3%B1%ED%95%98%EA%B8%B0