Question

operaciones basicas con fracciones

2/10+1/9=
15/4+8/2=
7/3+5/6=
5/6×8/9=
3/5×11/7=
9/8×4/7=
4/3-5/6=
8/4-3/6=
5/3-2/5=
12/4÷4/16=
15/7÷21/14=
8/3÷15/6=

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Answer 1

Respuesta:

$\frac{2}{10} + \frac{1}{9} = \frac{18 + 10}{90} = \frac{28}{90} = \frac{14}{45} \\ \frac{15}{4} + \frac{8}{2} = \frac{30 + 32}{8} = \frac{62}{8} = \frac{31}{4} \\ \frac{7}{3} + \frac{5}{6} = \frac{42 + 15}{18} = \frac{57}{18} = \frac{19}{6} \\ \frac{5}{6} \times \frac{8}{9} = \frac{40}{54} = \frac{20}{27}$

$\frac{3}{5} \times \frac{11}{7} = \frac{33}{35} \\ \frac{9}{8} \times \frac{4}{7} = \frac{36}{56} = \frac{18}{28} = \frac{9}{14 } \\ \frac{4}{3} - \frac{5}{6} = \frac{24 - 15}{18} = \frac{9}{18} = \frac{3}{6} = \frac{1}{2} \\ \frac{8}{4} - \frac{3}{6} = \frac{48 - 12}{24} = \frac{36}{24} = \frac{6}{4 } = \frac{3}{2} \\ \frac{5}{3} - \frac{2}{5} = \frac{25 - 6}{15} = \frac{19}{15}$

$\frac{12}{4} \div \frac{4}{16} = \frac{4 \times 4}{12 \times 16} = \frac{1 \times 1}{3 \times 4} = \frac{1}{12} \\ \frac{15}{7} \div \frac{21}{14} = \frac{21 \times 7}{15 \times 14} = \frac{3 \times 7}{15 \times 2} = \frac{1 \times 7}{5 \times 2} = \frac{7}{10 } \\ \frac{8}{3} \div \frac{15}{6} = \frac{15 \times 3}{8 \times6} = \frac{5 \times 3}{8 \times 2} = \frac{15}{16}$

espero te ayude