Question

1/8+3/8 1 1/8+2 3/8 1 1 /8+2 7/8

Answer 1

$\frac{1}{8} + \frac{3}{8} = \frac{1 + 3}{8} = \frac{4}{8} = \frac{1}{2} \\ \\ 1\frac{1}{8} + 2 \frac{3}{8} = 1 + 2 + \frac{1 + 3}{8} = 3 \frac{4}{8} = 3 \frac{1}{2} \\ \\ 1 \frac{1}{8} + 2 \frac{7}{8} = 1 + 2 + \frac{1 + 7}{8} = 3 + 1 = 4$