Question #bf504

1 Answer
Oct 12, 2016

4711÷111=51

Explanation:

4711÷111=(4+711)÷111

=(4411+711)÷111

=(5111)÷111

=5111111

=51111111111

=51111111111

=511

=51


A common trick when dividing by a fraction is to take its reciprocal and then multiply, i.e.

x÷ab=xba

The process used above shows why this works:

x÷ab=xab=xbaabba=xba1=xba