Solving 3960÷21
- Rewrite the Division as Multiplication by the Reciprocal:
3960÷21=3960×12
- Multiply the Numerators: 60×2=120
- Multiply the Denominators: 39×1=39
- Form the New Fraction: 3960×21=39120
Let's Simplify 39120
- Find the Greatest Common Divisor (GCD) of 120 and 39. The GCD of 120 and 39 is 3.
- Divide both the numerator and the denominator by the GCD:39÷3120÷3=1340
Answer 3960÷21=1340
The following animation demonstrates the divide-by,
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