Recurring Decimals
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Turn 0.555555555 Recurring into a Fraction
Step 1: x=0.5555555555
Step 2: Identify the repeating number
Step 3: If
theres only 1 number repeating, Times by 10
, 2 numbers times by 100 and so on
Step 4: Since theres only 1 number repeated, times it by 10.
10x= 5.5555555555
Step 5: 10x - x = 5.555555 - 0.555555
Step 6: Work out 9x = 5 (x = 5/9)
0.6363636363 Turn into Fraction
x = 0.6363636363
times x by 100
63.636363636363
100x - x = 63.6363636363 - 0.636363636363
99x= 63
x=63/99
0.201201201201 Turn into fraction
x= 0.201201201201
1000x = 201.201201201
1000x - x = 201
999x= 201
x= 201/999
Card Set Information
Author:
Usf4GOD
ID:
290368
Filename:
Recurring Decimals
Updated:
2014-12-01 21:35:40
Tags:
Recurring Decimals Fractions
Folders:
Maths Revision
Description:
Changing Recurring decimals into Fraction. Practice exam questions
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