Fraction/Decimal
-5/6 x -5/7 x -5/8 x -5/9
What is the sign of the answer?
What is positive?
there are 4 negative sign, which is even
3.15 + 2.25
What is 5.40?
same sign, combine, keep sign
8/11 - 3/11
What is 5/11 ?
keep change change
different sign, subtract with one farthest from zero on top, keep sign of top number
5 x (1/3)
What is 1 and 2/3 or 5/3 ?
1/4 divided by 3/8
What is 2/3?
keep change flip
simplify 4 and 8 before you multiply to 1 and 2
-5/6 - (-5/9)
What is the sign of the answer?
What is negative?
if numerators are the same, then one with largest denominator is closer to zero
keep sign of number farthest from zero
0.38 + (-1.2)
What is -0.82?
different sign, subtract with one farthest from zero on top, keep sign of top number.
- 4/13 - 8/13
What is -12/13 ?
keep change change
same sign, combine, keep sign
-3.2 x 5
What is -16?
multiply 32 x 5 then move decimal to left 1 place
one negative sign gives negative answer
-20 divided by 0.5
What is -40?
one negative gives a negative answer
change 0.5 to 5 and 20 to 200
-200 divided by 5
0.07 x -0.07
What is -0.0049?
do 7 x 7 and then move decimal 4 places to left
9/25 + (-17/25)
What is -8/25?
different sign, subtract with one farthest from zero on top, keep sign of top number.
-0.06 - (-0.86)
What is 0.8 ?
keep change change
different sign, subtract with one farthest from zero on top, keep sign of top number
-1/6 x (-2/3)
What is 1/9?
two negatives give a positive answer
2/18 simplifies to answer above
-15 divided by -5/8
What is 24?
answer is positive because there are two negatives
-15 is same as -15/1
keep change flip
simplify 15 and 5 to 3 and 1 before multiplying
-1/4 x -1/2
What is 1/8?
there are two negative signs, which is even, so answer is positive
-5/12 + 1/5
What is -13/60?
least common denominator is 60
different sign, subtract with one farthest from zero on top, keep sign of top number
-10/24 - (-3/4)
What is 1/3 ?
keep change change
common denominator is 24
different sign, subtract with one farthest from zero on top, keep sign of top number
Evaluate 2/3 * -6
What is -4 ?
one negative gives a negative answer
-6 is same as -6/1
-12/3 simplifies to -4
2 and 1/2 divided 4
What is 5/8?
change mixed number to improper fraction 5/2
4 is same as 4/1
keep change flip
2 and 1/3 divided by -3 and 1/2
What is -2/3?
change mixed numbers to improper fractions.
there is 1 negative sign so answer is negative
5/8 + -2/3
What is -1/24?
least common denominator is 24.
different sign, subtract with one farthest from zero on top, keep sign of top number
91.5 - 76
What is 15.5?
keep change change
different sign, subtract with one farthest from zero on top, keep sign of top number
6 and 2/3 times 27
What is 180?
27 is same as 27/1
change mixed number to improper fraction
6 and 2/3 is 20/3
simplify 3 and 27 before you multiply to 1 and 9
8804.46 divided by 209.63
What is 42?