Question

Tính.

a) \(\dfrac{3}{11}+\dfrac{14}{11}\)                            b) \(\dfrac{1}{16}+\dfrac{3}{4}\)                        c) \(\dfrac{2}{20}+\dfrac{7}{10}\)

Answer 1

a) \(\dfrac{3}{11}+\dfrac{14}{11}=\dfrac{17}{11}\)

b) \(\dfrac{1}{16}+\dfrac{3}{4}=\dfrac{1}{16}+\dfrac{12}{16}=\dfrac{13}{16}\)

c) \(\dfrac{2}{20}+\dfrac{7}{10}=\dfrac{2}{20}+\dfrac{14}{20}=\dfrac{16}{20}=\dfrac{4}{5}\)