7.Simplify: 2/3 + -4/5 + 7/15 + -11/20
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-13/60
Step-by-step explanation:
WE WILL TAKE THE L.C.M. OF THE DENOMINATORS :- 60
THEN DIVIDING 60 BY THE DENOMINATORS AND AFTER WE WILL MULTIPLY THE NUMERATORS BY THE QUOTIENT
AND THEN AFTER USING THE BODMAS RULE WE WILL FIND THE ANSWER
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