Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 21/28 of 1/80?"

2128 × 180 is 3320.

- Simply multiply the numerators and denominators separately:
- 2128 × 180 = 21 × 128 × 80 = 212240
- After reducing the fraction, the answer is 3320

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