From 49e264c03d49b4740cfe0a831672faedeeadec22 Mon Sep 17 00:00:00 2001 From: James Su Date: Tue, 23 Apr 2019 18:08:22 +0000 Subject: [PATCH] Update Final_Exam_Study_Sheet.md --- Grade 9/Math/MFM1P1/Final_Exam_Study_Sheet.md | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Grade 9/Math/MFM1P1/Final_Exam_Study_Sheet.md b/Grade 9/Math/MFM1P1/Final_Exam_Study_Sheet.md index 756db5f..dadea5e 100644 --- a/Grade 9/Math/MFM1P1/Final_Exam_Study_Sheet.md +++ b/Grade 9/Math/MFM1P1/Final_Exam_Study_Sheet.md @@ -155,5 +155,12 @@ - Answer: $`\frac{3 \times 7}{6 \times 4} = \frac{21}{24}`$ ### Division With Fractions -- To divide 2 fractions, flip the second fraction upside down. +- To divide 2 fractions, flip the second fraction upside down and multiply them togehter. +- Or, in advanced terms, mulitply the first fraction by the reciporocal of the second fraction. +- Given an example: $`\frac{4}{2} \div \frac{6}{9}`$ + - First, flip the second fraction upside down: $`\frac{4}{2} \div \frac{9}{6}`$ + - Then change the division to a multiply: $`\frac{4}{2} \times \frac{9}{6}`$ + - Then multiply the 2 fractions $`\frac{4 \times 9}{2 \times 6} = \frac{36}{12}`$ + + \ No newline at end of file