Question

Es matemáticas, suma y resta de fracciones

Ayuda porfa

Answer 1

Mt Bueno esta alejandro Si

Answer 2

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

Solution (a) :-

`\bold{( 7)/(6)}{\bold{ + }}{\bold{( 2)/(5)}}`

• By taking LCM of the given denominators

`\sf{ = \:}{\sf{( 35 + 12 )/(30)}}`

`\sf{ =\: }{\sf{\red{( 47 )/(30)}}}`

Hence, The answer is 47/30

Solution ( b) :-

`\bold{( 1)/(7)}{\bold{ + }}{\bold{( 1)/(8)}}`

• By taking LCM of the given denominators

`\sf{ =\: }{\sf{( 8 + 7 )/(56)}}`

`\sf{ =\: }{\sf{\red{( 15)/(56)}}}`

Hence, The answer is 15/56

Solution ( c) :-

`\bold{( 7)/(13)}{\bold{ + }}{\bold{( 5)/(10)}}`

• By taking LCM of the given denominators

`\sf{=\:}{\sf{( 70 + 65 )/(130)}}`

`\sf{ = \:}{\sf{( 135)/(130)}}`

`\sf{ =\:}{\sf{\red{( 27)/(26)}}}`

Hence, The answer is 27/26

Solution ( d) :-

`\bold{( 7)/(5)}{\bold{ - }}{\bold{( 1)/(3)}}`

• By taking LCM of the given denominators

`\sf{ =\:}{\sf{( 21 - 5 )/(15)}}`

`\sf{ = \:}{\sf{\red{( 16)/(15)}}}`

Hence, The answer is 16/15

Solution ( e) :-

`\bold{( 8)/(7)}{\bold{ - }}{\bold{( 9)/(11)}}`

• By taking LCM of the given denominators

`\sf{=\:}{\sf{( 88 - 63)/(77)}}`

`\sf{=\:}{\sf{\red{( 25)/(77)}}}`

Hence, The answer is 25/77

Solution ( f) :-

`\bold{( 11)/(4)}{\bold{ - }}{\bold{( 1)/(9)}}`

• By taking LCM of the given denominators

`\sf{=\:}{\sf{( 99 - 4)/(36)}}`

`\sf{ =\: }{\sf{\red{( 95)/(36)}}}`

Hence, The answer is 95/36