Respuesta :

2 3/4 - 5 1/8
simplified : 11/4 - 41/8
create a common denominator : 11/4x8 is 88/32 and 41/8x4 is 328/32
simplified : 88/32 - 328/32
simplified : 11/4 - 41/4 (divide both of the fractions by 8)
11/4 - 41/4 is -30/4
the answer is -30/4 or -7 2/4 or -7 1/2
Answer is -2 3/8

Step by step

To add or subtract fractions, the denominator (bottom) has to be the same, so you are working with the same fractional part of the whole.

- 5 1/8
2 6/8 (3/4 same as 6/8)
—————-

Change to improper fractions
- 5 1/8 = -41/8
2 6/8 = 22/8
————————-
subtract
-41/8
22/8
—————
-19/8

Simplify

-2 3/8


————-

- 2 3/8 is your answer


Problem solved


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