-90 + -20 =
-110
-20 - -15 =
-5
-34 x 24 =
-816
-87 divided by 2
-43.5
What is a reciprocal
just switching the numerator (top number) and the denominator (bottom number)
-3 + -98 =
-101
45 - 87 =
-42
-12 x 3
-36
-67 divided by 2
What is a Numerator
the number above the line in a common fraction
-187 + -10 =
-197
-65 - -34 =
-31
-23 x 3
-69
-85 divided by 5
-17
What is a Denominator
the number below the line in a common fraction
-236 + -32 =
-268
-78 - -34 =
-44
-65 x 21
-1365
-120 divided by 2
-60
What is K.C.C?
(keep) the first number is the same (change) the subtracting to adding then (change) the sign of the second number
-765 + -234 =
-999
-876 - -216 =
-660
-54 x 67 =
-3618
-148 divided by 2
-74
What is a Vinculum?
The line between the fraction