Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 4/21 of 1/90?"

421 × 190 is 2945.

- Simply multiply the numerators and denominators separately:
- 421 × 190 = 4 × 121 × 90 = 41890
- After reducing the fraction, the answer is 2945

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