Question

Evan and Jose are finding rmula1" title="3 \frac{3}{4} -1 \frac{7}{2} " alt="3 \frac{3}{4} -1 \frac{7}{2} " align="absmiddle" class="latex-formula">. Who is correct? Explain
Evan: $3 \frac{3}{4} -1 \frac{7}{8} =3 \frac{6}{8} -1 \frac{7}{8} =2 \frac{1}{8}$

Jose: $3 \frac{3}{4} -1 \frac{7}{8} =3 \frac{6}{8} -1 \frac{7}{8} =2 \frac{14}{8} -1 \frac{7}{8} or 1 \frac{7}{8}$

Answer 1

Jose is right
Evan's last calculation should have been 2 (-1/8) because 6 - 7 = -1