Question

3/8 + 5/4 - 1/9 cuanto es

Answer 1

3/8 + 5/4 - 1/9

27 + 90 -8
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      72

117 -8
--------
   72

109
-----
 72

Answer 2

MCM de 8, 4 y 9 = 72

$\frac{3}{8} + \frac{5}{4} - \frac{1}{9} = \frac{27 + 90 - 8}{72}$

$= \frac{109}{72}$