Question

e)12supra5:3
f)77supra23 :33supra12
g)2supra10:18supra25

Answer 1

$\frac{12}{5} \div \frac{3}{1} = \frac{12}{5} \times \frac{1}{3} = \frac{12}{15}$
$\frac{77}{23} \div \frac{33}{12} = \frac{77}{23} \times \frac{12}{33} = \frac{77 \times 12}{23 \times 33} = \frac{924}{759}$
$\frac{2}{10} \div \frac{18}{25} = \frac{2}{10} \times \frac{25}{18} = \frac{50}{180} = \frac{5}{18}$
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Answer 2

12/5 : 3 = 12/5 x 1/3 = 4/5 x 1/1 = 4/5
77/23 : 33/12 = 77/23 x 12/33 = 7/23 x 12/3 = 7/23 x 4/1 = 28/23
2/10 : 18/25 = 1/5 x 25/18 = 1/1 x 5/18 = 5/18