Question

-7/26+16/39 how to simplify this sum I need step by step explanation

Answer 1

Answer:

-11/78

Step-by-step explanation:

-7/26+16/39

First need to bring both fractions into common denominator.

If you notice: 26=2*13 and 39=3*13

So least common number would be 2*3*13= 78

then

-7/26= -7*3/26*3= -21/78

and

16/39=16*2/39*2= 32/78

Now, the easy bit:

• -7/26+16/39=
• -21/78+32/78=
• (-21+32)/78= -11/78

Hope it was easy to understand

Answer 2

Answer:

Step-by-step explanation:

The question is -7/26+16/39

So, first we will take its LCM ( lowest common multiple )

LCM = 78

Then we will follow the following steps :

= (78÷26)×(-7)/78 + (78÷39)×16/78

Which is equal to 3×(-7)/78 + 2×16/78

= -21/78+32/78

= -21+32/78

= 32-21/78

=11/78 :- Answer

Thank you