Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 4/21 of 1/40?"

421 × 140 is 1210.

- Simply multiply the numerators and denominators separately:
- 421 × 140 = 4 × 121 × 40 = 4840
- After reducing the fraction, the answer is 1210

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