What's one in four plus two in nine?

1/4+2/9=9/36+8/36=17/36

What's minus four times nine sixteenth

9 out of 4

3 / 4 times 3 / 4 equals 9 / 16

The square of the fraction is equal to the square of the numerator and the square of the denominator
That is, (A / b) &# 178; = A & # 178 / / B & # 178;

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