Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 14/21 of 42/80?"

1421 × 4280 is 720.

- Simply multiply the numerators and denominators separately:
- 1421 × 4280 = 14 × 4221 × 80 = 5881680
- After reducing the fraction, the answer is 720

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