Asked by Dawne
The numerator of the fraction 5/12 is decreased b y 2% and the denominator is increased by 3%. What is the new fraction
Answers
Answered by
Ms. Sue
0.98 * 5 = ?
1.03 * 12 - ?
1.03 * 12 - ?
Answered by
Bosnian
2 % = 2 / 100 = 0.02
2 % of 5 = 0.02 * 5 = 0.1
3 % = 3 / 100 = 0.03
3 % of 12 = 0.03 * 12 = 0.36
The new fraction:
( 5 - 0.1 ) / ( 12 + 0.36 ) =
4.9 / 12.36 Multiply numerator and enominator by 100
490 / 1236 = 2 * 5 * 7 * 7 / ( 2 * 2 * 3 * 103 ) =
5 * 7 * 7 / ( 2 * 3 * 103 ) =
245 / 618
2 % of 5 = 0.02 * 5 = 0.1
3 % = 3 / 100 = 0.03
3 % of 12 = 0.03 * 12 = 0.36
The new fraction:
( 5 - 0.1 ) / ( 12 + 0.36 ) =
4.9 / 12.36 Multiply numerator and enominator by 100
490 / 1236 = 2 * 5 * 7 * 7 / ( 2 * 2 * 3 * 103 ) =
5 * 7 * 7 / ( 2 * 3 * 103 ) =
245 / 618