1) In order to add or subtract fractions denominator must be equal

Lcm of denominator is 4×5=20 since they are co primes

Now the denominator becomes same

2)

Lcm =8


3)
We just need to add the fractions

Lcm=12


hope it helps :)
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1. Given
2.CA bisects < bad
3. 4.reflextive
5. Sas
6. Cpctc
Answer:
B 
Step-by-step explanation:
Event A = 2
Event B = 3
Ian and Ella play both so that would add 2 more people.
Total who play soccer or basketball = 7
----------------------------------------------------------------------
Total amount of people who took the survey = 10

Answer:
4. Circumference = diameter × π
8× 3. 14= 25. 12 ~25. 1
5. 13×3. 14= 40. 82 ~40. 8
6. Diameter= radius ×2
3. 5×2=7
Diameter = 7
7× 3. 14= 21. 98 ~22
<span>For a rotation of 90o: (x, y) ⇒ (–y, x)
T(3,4) ⇒⇒⇒ T'(-4,3)
W(-2,-1) ⇒⇒⇒ W'(1,-2)
x(-3,3) ⇒⇒⇒ x'(-3,-3)
see the attached figure
</span>