Question

11/4 + _____ = 21/2
show clear working

Answer 1

Answer:

let 11/4 +x = 21/2

(11+4x)/4= 21/2

11+4x = 42

4x =42-11

x= 31/4

Answer 2

$\frac{21}{2} - \frac{11}{4} = x$

$\frac{42 - 11}{4} = x$

$\frac{31}{4} = x$

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