Question

2/10 + 5/100=

7/10 + 5/100=
ayuda ​por favor

Answer 1

2/10+5/100: 0.25

7/10+5/100: 0.75

Answer 2

$\frac{2}{10} + \frac{5}{100} = \\ = \frac{1}{5} + \frac{1}{20} \\ = \frac{4 + 1}{20} \\ = \frac{5}{20 } \\ = \frac{1}{4} \\ \\ \\ \\ = \frac{7}{10} + \frac{5}{100} = \\ = \frac{7}{10} + \frac{1}{20} \\ = \frac{14 + 1}{20} \\ = \frac{15}{20} \\ = \frac{3}{4}$