Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 40/45 of 20/45?"

4045 × 2045 is 3281.

- Simply multiply the numerators and denominators separately:
- 4045 × 2045 = 40 × 2045 × 45 = 8002025
- After reducing the fraction, the answer is 3281

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