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4=15\times \frac{4}{3}
Divide 15 by \frac{3}{4} by multiplying 15 by the reciprocal of \frac{3}{4}.
4=\frac{15\times 4}{3}
Express 15\times \frac{4}{3} as a single fraction.
4=\frac{60}{3}
Multiply 15 and 4 to get 60.
4=20
Divide 60 by 3 to get 20.
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Compare 4 and 20.
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