Practice the questions given in the worksheet on ratio in lowest term. We know two or more quantities compared in a ratio must have the same units of measurement. So, the ratios have no unit. Then a ratio is expressed in its lowest term.
1. Find the ratio of the following in the simplest form:
(i) 2 dozens to 3 scores
(ii) 1 kg 200g and 1 kg 800g
(iii) 864 and 60
(iv) 1 .5 kg yo 15 g
(v) x\(^{2}\) + 2x + 1 and x\(^{2}\)  x 2
2. Find the ratio of the following in the simplest form:
(i) 40 ml to 2.4 l
(ii) 2\(\frac{1}{2}\) hours to 50 minutes
(iii) $ 1.40 and 67 cents
(iv) a\(^{3}\) + b\(^{3}\) and a\(^{2}\)  b\(^{2}\)
3. Simplify the following ratios:
(i) 3\(\frac{1}{3}\) : 2\(\frac{1}{2}\)
(ii) 2.5 : 6.5
(iii) 2\(\frac{1}{5}\) : 1\(\frac{2}{15}\) : \(\frac{3}{10}\)
Answers for the worksheet on ratio in lowest term are given below.
Answers:
1. (i) 2 : 5
(ii) 2 : 3
(iii) 72 : 5
(iv) 100 : 1
(v) (x + 1) : (x  2)
2. (i) 1 : 60
(ii) 3 : 1
(iii) 7 : 3
(iv) (a\(^{2}\)  ab + b\(^{2}\)) : (a  b)
3. (i) 4 : 3
(ii) 5 : 13
(iii) 66 : 34 : 9
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● Ratio and proportion
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