Convert the following into fractions in their lowest terms :
0.65
Answers
0.65
= 65/100
= 6.5/10
6.5/10 is your answer.
Answer:
Selina solutions
Grade 7
Biology
Mathematics
Physics
Chapters in CONCISE Mathematics - Middle School - 7
Exercises in Decimal Fractions (Decimals)
Question 1
Q1) Convert the following into fractions in their lowest terms:
(i) 3.75
(ii) 0.5
(iii) 2.04
(iv) 0.65
(v) 2.405
(vi) 0.085
(vii) 8.025
Solution 1:
(i) 3.75
= \frac{375}{100}
100
375
= \frac{375\div25}{100\div25}=\frac{15}{4}
100÷25
375÷25
=
4
15
(ii) 0.5
= \frac{5}{10}
10
5
= \frac{5\div5}{10\div5}=\frac{1}{2}
10÷5
5÷5
=
2
1
(iii) 2.04
= \frac{204}{100}
100
204
= \frac{204\div4}{100\div4}=\frac{51}{25}
100÷4
204÷4
=
25
51
(iv) 0.65
= \frac{65}{100}
100
65
= \frac{65\div5}{100\div5}=\frac{13}{20}
100÷5
65÷5
=
20
13
(v) 2.405
= \frac{2405}{1000}
1000
2405
= \frac{2405\div5}{1000\div5}=\frac{481}{200}
1000÷5
2405÷5
=
200
481
(vi) 0.085
= \frac{85}{1000}
1000
85
= \frac{85\div5}{1000\div5}=\frac{17}{200}
1000÷5
85÷5
=
200
17
(vii) 8.025
= \frac{8025}{1000}
1000
8025
= \frac{8025\div25}{1000\div25}=\ \frac{321}{40}
1000÷25
8025÷25
=
40
321