Q.5 Write each of the following as decimals:
(a) \(\frac{5}{10} \)
(b) 3 + \(\frac{7}{10} \)
(c) 200 + 60 + 5 + \(\frac{1}{10} \)
(d) 70 +\(\frac{8}{10} \)
(e) \(\frac{88}{10} \)
(f) \(4\frac{2}{10} \)
(g) \(\frac{3}{2} \)
(h) \(\frac{2}{5} \)
(i) \(\frac{12}{5} \)
(j) \(3\frac{3}{5} \)
(k) \(4\frac{1}{2} \)


Answer :

(a) \(\frac{5}{10} \) = 0.5
(b) 3 + \(\frac{7}{10} \) = 3+ 0.7 = 3.7
(c) 200 + 60 + 5 + \(\frac{1}{10} \) = 265+ 0.5 = 265.5
(d) 70 +\(\frac{8}{10} \) = 70+ 0.8 = 70.8
(e) \(\frac{88}{10} \) = 8.8
(f) \(4\frac{2}{10} \) = \(\frac{42}{10} \) = 4.2
(g) \(\frac{3}{2} \) = \(\frac{3×5}{2×5} \) = \(\frac{15}{10} \) = 1.5
(h) \(\frac{2}{5} \) = \(\frac{2×2}{5×2} \) = \(\frac{4}{10} \) = 0.4
(i) \(\frac{12}{5} \) = \(\frac{12×2}{5×2} \) = \(\frac{24}{10} \) = 2.4
(j) \(3\frac{3}{5} \) = \(\frac{18}{5} \) = \(\frac{18×2}{5×2} \)= \(\frac{36}{10} \) = 3.6
(k) \(4\frac{1}{2} \) = \(\frac{9}{2} \) = \(\frac{9×5}{2×5} \) = \(\frac{45}{10} \) = 4.5

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