Convert to multiplication: Convert the division problem into a multiplication problem by multiplying by the reciprocal of the divisor.83÷21 is the same as 83×12.
Multiply numerators and denominators: Multiply the numerators and the denominators. (3×2)/(8×1)=6/8.
Simplify the fraction: Simplify the fraction if possible.86 can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is 2.86=(8÷2)(6÷2)=43.
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