Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 2/21 of 21/70?"

221 × 2170 is 135.

- Simply multiply the numerators and denominators separately:
- 221 × 2170 = 2 × 2121 × 70 = 421470
- After reducing the fraction, the answer is 135

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