[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:00.44,0:00:06.33,Default,,0000,0000,0000,,0.15를 분수로 표현해봅시다
Dialogue: 0,0:00:06.33,0:00:08.34,Default,,0000,0000,0000,,여기서 중요한 것은
Dialogue: 0,0:00:08.34,0:00:10.71,Default,,0000,0000,0000,,각 숫자가 어떤 자리수인지\N파악하는 것입니다
Dialogue: 0,0:00:10.71,0:00:13.44,Default,,0000,0000,0000,,1은 10분의 1의 자리에 있으니
Dialogue: 0,0:00:13.44,0:00:16.79,Default,,0000,0000,0000,,1 x 1/10 로 생각할 수 있고
Dialogue: 0,0:00:16.79,0:00:20.83,Default,,0000,0000,0000,,5는 1/100 이므로
Dialogue: 0,0:00:20.83,0:00:23.80,Default,,0000,0000,0000,,5 x 1/100 입니다
Dialogue: 0,0:00:23.80,0:00:25.50,Default,,0000,0000,0000,,다시 써보면
Dialogue: 0,0:00:25.50,0:00:27.55,Default,,0000,0000,0000,,1/10 + 5/100
Dialogue: 0,0:00:27.55,0:00:30.00,Default,,0000,0000,0000,,1은 1/10 로
Dialogue: 0,0:00:30.00,0:00:33.30,Default,,0000,0000,0000,,1/10 + _____
Dialogue: 0,0:00:33.30,0:00:37.11,Default,,0000,0000,0000,,5는 5/100 로
Dialogue: 0,0:00:37.11,0:00:40.65,Default,,0000,0000,0000,,1/10 + 5/100
Dialogue: 0,0:00:40.65,0:00:43.74,Default,,0000,0000,0000,,둘을 더하려면, \N공통분모를 찾아야 하니깐
Dialogue: 0,0:00:43.74,0:00:46.09,Default,,0000,0000,0000,,공통 분모는 100이죠?
Dialogue: 0,0:00:46.09,0:00:47.84,Default,,0000,0000,0000,,10과 100의 최소공배수는 100이니깐요
Dialogue: 0,0:00:47.84,0:00:52.67,Default,,0000,0000,0000,,10과 100의 \N최소공배수는 100 이니까요
Dialogue: 0,0:00:52.67,0:00:59.59,Default,,0000,0000,0000,,그러면 \N? /100 + ? /100 이고
Dialogue: 0,0:00:59.59,0:01:02.73,Default,,0000,0000,0000,,여기는 안 바뀌겠네요\N이미 5/100이니깐요
Dialogue: 0,0:01:02.73,0:01:05.34,Default,,0000,0000,0000,,여기선 분모를 10으로 곱하면
Dialogue: 0,0:01:05.34,0:01:08.18,Default,,0000,0000,0000,,이미 10을 곱했죠
Dialogue: 0,0:01:08.18,0:01:10.76,Default,,0000,0000,0000,,분자도 10을 곱해야겠죠
Dialogue: 0,0:01:10.76,0:01:12.81,Default,,0000,0000,0000,,그래서 10/100이 됩니다
Dialogue: 0,0:01:12.81,0:01:13.88,Default,,0000,0000,0000,,자 이제 더해볼까요?
Dialogue: 0,0:01:13.88,0:01:16.89,Default,,0000,0000,0000,,이는 10 + 5,
Dialogue: 0,0:01:16.89,0:01:20.69,Default,,0000,0000,0000,,15 / 100 이 됩니다
Dialogue: 0,0:01:20.69,0:01:23.95,Default,,0000,0000,0000,,암산으로 더 빨리할 수도\N있는 문제인데요
Dialogue: 0,0:01:23.95,0:01:27.20,Default,,0000,0000,0000,,가장 작은 자리수가 \N1/100 자리이니깐
Dialogue: 0,0:01:27.20,0:01:30.76,Default,,0000,0000,0000,,이것을 1/10으로 대신 \N10/100으로 하거나
Dialogue: 0,0:01:30.76,0:01:35.49,Default,,0000,0000,0000,,이걸 15/100으로 한다면\N훨씬 간단하겠죠
Dialogue: 0,0:01:35.49,0:01:39.22,Default,,0000,0000,0000,,자 이제 좀 더 \N단순화해볼게요
Dialogue: 0,0:01:39.22,0:01:41.81,Default,,0000,0000,0000,,분자 분모 둘 다 \N5로 나눠지겠네요
Dialogue: 0,0:01:41.81,0:01:44.90,Default,,0000,0000,0000,,둘 다 5로 나누면
Dialogue: 0,0:01:44.90,0:01:48.60,Default,,0000,0000,0000,,분자는 15 ÷ 5 = 3
Dialogue: 0,0:01:48.60,0:01:51.84,Default,,0000,0000,0000,,분모는 100 ÷ 5 = 20
Dialogue: 0,0:01:51.84,0:01:55.42,Default,,0000,0000,0000,,그래서 3/20으로 \N간단한 분수가 되겠네요