Question 676620
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Hi
21/28÷5/28÷49/28    ||Multiplying by the reciprocals...
{{{((21/28)*(28/5))*(28/49)}}}
{{{((21/28)*(28/5))*(4/7)}}}
      {{{(21/5)*(4/7) = (3/5)*(4/1) = 12/5}}}