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vazorg [7]
2 years ago
13

Es matemáticas, suma y resta de fracciones Ayuda porfa

Mathematics
2 answers:
Vesnalui [34]2 years ago
3 0

\bold{\huge{\purple{\underline{ Solutions }}}}

<h3><u>Solution </u><u>(</u><u>a)</u><u> </u><u>:</u><u>-</u></h3>

\bold{\dfrac{ 7}{6}}{\bold{ + }}{\bold{\dfrac{ 2}{5}}}

  • <u>By </u><u>taking </u><u>LCM </u><u>of </u><u>the </u><u>given </u><u>denominators </u>

\sf{ = \:}{\sf{\dfrac{ 35 +  12 }{30}}}

\sf{ =\: }{\sf{\red{\dfrac{ 47 }{30}}}}

Hence, The answer is 47/30

<h3><u>Solution </u><u>(</u><u> </u><u>b</u><u>) </u><u> </u><u>:</u><u>-</u></h3>

\bold{\dfrac{ 1}{7}}{\bold{ + }}{\bold{\dfrac{ 1}{8}}}

  • <u>By taking LCM of the given denominators </u>

\sf{ =\: }{\sf{\dfrac{ 8 + 7 }{56}}}

\sf{ =\: }{\sf{\red{\dfrac{ 15}{56}}}}

Hence, The answer is 15/56

<h3><u>Solution </u><u>(</u><u> </u><u>c</u><u>) </u><u> </u><u>:</u><u>-</u></h3>

\bold{\dfrac{ 7}{13}}{\bold{ + }}{\bold{\dfrac{ 5}{10}}}

  • <u>By taking LCM of the given denominators </u>

\sf{=\:}{\sf{\dfrac{ 70 + 65 }{130}}}

\sf{ = \:}{\sf{\dfrac{ 135}{130}}}

\sf{ =\:}{\sf{\red{\dfrac{ 27}{26}}}}

Hence, The answer is 27/26

<h3><u>Solution </u><u>(</u><u> </u><u>d</u><u>) </u><u> </u><u>:</u><u>-</u></h3>

\bold{\dfrac{ 7}{5}}{\bold{ - }}{\bold{\dfrac{ 1}{3}}}

  • <u>By taking LCM of the given denominators</u>

\sf{ =\:}{\sf{\dfrac{ 21 - 5 }{15}}}

\sf{ = \:}{\sf{\red{\dfrac{ 16}{15}}}}

Hence, The answer is 16/15

<h3><u>Solution </u><u>(</u><u> </u><u>e) </u><u>:</u><u>-</u></h3>

\bold{\dfrac{ 8}{7}}{\bold{ - }}{\bold{\dfrac{ 9}{11}}}

  • <u>By taking LCM of the given denominators</u>

\sf{=\:}{\sf{\dfrac{ 88 - 63}{77}}}

\sf{=\:}{\sf{\red{\dfrac{ 25}{77}}}}

Hence, The answer is 25/77

<h3><u>Solution </u><u>(</u><u> </u><u>f</u><u>) </u><u>:</u><u>-</u></h3>

\bold{\dfrac{ 11}{4}}{\bold{ - }}{\bold{\dfrac{ 1}{9}}}

  • <u>By taking LCM of the given denominators</u>

\sf{=\:}{\sf{\dfrac{ 99 - 4}{36}}}

\sf{ =\: }{\sf{\red{\dfrac{ 95}{36}}}}

Hence, The answer is 95/36

Sedbober [7]2 years ago
3 0

Answer:

Mt Bueno esta alejandro Si

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