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1. add negative fraction with positive fraction

-7/8 + 1/4 = ?

2. add negative decimal with positive decimal
-12/5 + 15.3 = ?

1 Answer

2 votes

Given parameters:

1.
-(7)/(8) + (1)/(4)


-(7)/(8) + (1)/(4); find the LCM = 8

=
(-7 + 2 )/(8)

=
(-5)/(8)

2.
-(12)/(5) + 15.3

Make the fraction decimal;


-(12)/(5) = -2.4

So;

-2.4 + 15.3 = 12.9

User Arif Amirani
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