Question

(iv) 0.4:0.04 0
Exercise 7A
Express each of the following ratios in simplest form.
ii) 45 : 72
(vi) 1: 1.25
2. Express each of the following ratios in simplest form.
0) 18:24
(V) 2.5: 3.5
(iii) 78: 130
(vii) 2.07 : 1.80
1​

Answer 1

45:72=45/72

=15/24

78:130=78/130

= 6/10

18:24=18/24

=6/8=3/4

Answer 2

Step-by-step explanation:

2.5 and 3.5.

= 25/10 ; 35/10 = 25:35 then we will divide it by 5 the answer is 5;7

78:130

HCF of 78 &130 is 26

78/130 divide by 26

answer is 3:5

2.07:1.80

= 207/100 : 180/100 = 23:20

45:72

HCF of 45 and 72 is 9

45:72 = 45/72 = 5/8 = 5:8

1:125 answer is 4:5

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