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Question

Mathematics Question on Multiplication Of Fractions

Find: (a) 12\frac{1}{2} of (i) 2 34\frac{3}{4} (ii) 4 29\frac{2}{9}


(b) 58\frac{5}{8} of (i) 3 56\frac{5}{6} (ii) 9 23\frac{2}{3}

Answer

(a)
(i) 12\frac{1}{2} × 2 34\frac{3}{4}= 12\frac{1}{2} × 114\frac{11}{4} = 118\frac{11}{8} = 1 38\frac{3}{8}
(ii) 12\frac{1}{2}× 4 29\frac{2}{9} = 12\frac{1}{2} × 389\frac{38}{9} = 199\frac{19}{9}= 219\frac{1}{9}


(b)
(i) 58\frac{5}{8} × 3 56\frac{5}{6} = 58\frac{5}{8} × 236\frac{23}{6} = 11548\frac{115}{48} =2 1948\frac{19}{48}
(ii) 58\frac{5}{8}× 9 23\frac{2}{3} = 58\frac{5}{8} × 293\frac{29}{3}=14524\frac{145}{24}= 6 124\frac{1}{24}