Multiply 4/5 with 21/40
This multiplication involving fractions can also be rephrased as "What is 4/5 of 21/40?"
45 × 2140 is 2150.
Steps for multiplying fractions
- Simply multiply the numerators and denominators separately:
- 45 × 2140 = 4 × 215 × 40 = 84200
- After reducing the fraction, the answer is 2150
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