Question

e) 1/2+7/4−1/4
Me ajudem por favor urgente me ajudem

Answer 1

O valor obtido na fração é:

${{\boxed{{\boxed{\Large{\boxed{\rm { 2 \: }}}}}}}}$

Cálculo :

$\dfrac{1}{2}+\dfrac{7}{4} -\dfrac{1}{4}\\ \\\\\dfrac{2}{4} + \dfrac{7}{4} -\dfrac{1}{4}\\ \\\\\dfrac{2+7}{4} -\dfrac{1}{4} \\\\\\\dfrac{9}{4}-\dfrac{1}{4} \\ \\\\\dfrac{9-1}{4}\\\\\\\dfrac{8}{4} \\\\\\2$

Espero ter ajudado!!