Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 30/42 of 21/40?"

3042 × 2140 is 38.

- Simply multiply the numerators and denominators separately:
- 3042 × 2140 = 30 × 2142 × 40 = 6301680
- After reducing the fraction, the answer is 38

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