100/3 divided by 140/4
100/3 ÷ 140/4
=
20
21
Step-by-Step Solution
-
1Take reciprocal of second fraction140/4 becomes 4/140
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2Multiply by reciprocal100/3 × 4/140
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3Multiply numerators & denominators100 × 4 = 400 3 × 140 = 420
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4Simplify400/420 = 20/21
How to Divide Fractions
To divide fractions, use "Keep, Change, Flip": keep the first fraction unchanged, change the ÷ to ×, then flip the second fraction. Multiply and simplify.