Explicación paso a paso:
La suma o resta de fracciones es una de las operaciones básicas que permite combinar dos o más fracciones
Cual es el resultado de :
[tex]\frac{6}{12} + \frac{7}{9}+ \frac{2}{3}=\frac{(6)(3) +(7)(4) +(2)(12) }{36} =\frac{18+28+24}{36} =\frac{70}{36} =\frac{35}{18} \\\\\frac{7}{2} - \frac{4}{8}=\frac{(7)(4) - (4)(1) }{8} =\frac{28-4}{8} =\frac{24}{8} =3\\\\\frac{5}{8} - \frac{3}{12}=\frac{(5)(3) - (3)(2) }{24} =\frac{15-6}{24} =\frac{9}{24} =\frac{3}{8} \\\\\frac{7}{11} - \frac{3}{14}=\frac{(7)(14) - (3)(11) }{154} =\frac{98-33}{154} =\frac{65}{154} \\\\[/tex]
[tex]\frac{5}{8} + \frac{6}{3}- \frac{1}{4}=\frac{(5)(3) +(6)(8) -(1)(6) }{24} =\frac{15+48-6}{24} =\frac{57}{24} =\frac{19}{8} \\\\\frac{6}{9} + \frac{3}{5}- \frac{2}{9}=\frac{(6)(5) +(3)(9) -(2)(5) }{45} =\frac{30+27-10}{45} =\frac{47}{45}[/tex]
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Explicación paso a paso:
La suma o resta de fracciones es una de las operaciones básicas que permite combinar dos o más fracciones
Cual es el resultado de :
[tex]\frac{6}{12} + \frac{7}{9}+ \frac{2}{3}=\frac{(6)(3) +(7)(4) +(2)(12) }{36} =\frac{18+28+24}{36} =\frac{70}{36} =\frac{35}{18} \\\\\frac{7}{2} - \frac{4}{8}=\frac{(7)(4) - (4)(1) }{8} =\frac{28-4}{8} =\frac{24}{8} =3\\\\\frac{5}{8} - \frac{3}{12}=\frac{(5)(3) - (3)(2) }{24} =\frac{15-6}{24} =\frac{9}{24} =\frac{3}{8} \\\\\frac{7}{11} - \frac{3}{14}=\frac{(7)(14) - (3)(11) }{154} =\frac{98-33}{154} =\frac{65}{154} \\\\[/tex]
[tex]\frac{5}{8} + \frac{6}{3}- \frac{1}{4}=\frac{(5)(3) +(6)(8) -(1)(6) }{24} =\frac{15+48-6}{24} =\frac{57}{24} =\frac{19}{8} \\\\\frac{6}{9} + \frac{3}{5}- \frac{2}{9}=\frac{(6)(5) +(3)(9) -(2)(5) }{45} =\frac{30+27-10}{45} =\frac{47}{45}[/tex]