It would be 4/10 I used the calculater
4/15
10 7 · 21 8 = 5 ( 3 ) ( 1 ) 4 = 15 4
The product of 10 7 and 21 8 is 15 4 once simplified. First, you multiply the numerators and denominators, then simplify the resulting fraction. The final answer is 15 4 .
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