You can put this solution on YOUR website! Imagine starting with 10. Subtract 3/5 and count this as having found 1 of 3/5. Subtract another 3/5 from what has remained and count this as having found another 3/5. How much still remains? Enough to keep subtracting 3/5 again?
Now, instead of using repeated subtraction to count how many of 3/5 can be found in the number, 10, try something more economical: DIVISION.
Divide 10 by 3/5. THAT will be how many 3/5 is in 10.
10÷(3/5)= , because division by a fraction is the same as multiply by the reciprocal of the fraction,
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