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Question

Express the following ratios in their simplest form.

2115:315


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Solution

We know that mixed fraction can be written as:

abc=a×c+bcand ab:cd=a×d:c×b

So, as we have given,

2115=2×15+115

=3115

315=3×5+15

=165

So the ratio becomes:3115:165

Using the conceptab:cd=a×d:c×b we get,

3115:165=31×5:16×15

=31×516×15=31×516×5×3

=3116×3=3148

Hence, the simplest form of the given ratio is 31:48.


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