What is -15 2/3 + (-5 2/3)
2 answers:
Answer is -21 1/3
-15 2/3
+ -5 2/3
-------------
Answer is 21 1/3
Convert 15 2/3 to an improper fraction;
- 15 × 3 + 2/3 - 5 2/3
Simplify 15 × 3 to 45
- 45 + 2/3 - 5 2/3
Simplify 45 + 2 to 47
- 47/3 - 5 2/3
Convert 5 2/3 to an improper fraction
- 47/3 - 5 × 3 + 2/3
Simplify 15 + 2 to 17
- 47/3 - 17/3
Join the denominators
-47 - 17/3
Simplify
- 64/3
Convert to a mixed fraction;
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mid number = 3X-4
large number = 3x
X+3X-4+3X=24
7X-4=24
7X-4+4=24+4
7X=28
X=28/7
X=4
S=4
M=3(4) -4=12-4=8
L=3(4)=12
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