Question

3. Suma o resta las fracciones según sea el caso:
• 3/5 + 3/8 =
• 5/2 - 5/5 =
• 2/4 + 1/7 =
15/9 - 5/4 =​

Answer 1

$\frac{3}{5} + \frac{3}{8} = \frac{24 + 15}{40} = \frac{9}{40}$

$\frac{5}{2} - \frac{5}{5} = \frac{25 - 10}{10} = \frac{15}{10} = \frac{3}{2}$

$\frac{2}{4} + \frac{1}{7} = \frac{14 + 4}{28} = \frac{18}{28} = \frac{9}{14}$

$\frac{15}{9} - \frac{5}{4} = \frac{60 - 45}{36} = \frac{15}{36} = \frac{5}{12}$