Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 10/70 of 21/63?"

1070 × 2163 is 121.

- Simply multiply the numerators and denominators separately:
- 1070 × 2163 = 10 × 2170 × 63 = 2104410
- After reducing the fraction, the answer is 121

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