Well, to add fractions, you need to find a common denominator. In this case, the smallest common denominator would be 12. So you must multiply each fraction so that both denominators are 12.
3/4*3/3=9/12
1/3*4/4=4/12
Add those two fractions together, reduce if possible, and you have your answer!
9/12+4/12=13/12
You can't reduce, so 13/12 is your answer.
Hope it helps!
-Lacy
Answer:
Image result for A triangle has two angles that are 33 degrees and 54 degrees. What is the third angle?
If you add all three interior angle measures together in a triangle it will always equal 180°.. To find a third angle you will subtract the sum of the two given angles from 180°.
Step-by-step explanation:
it went from 8 to 6.5, namely 8 - 6.5 = 1.5.
if we take the 8 to be the 100%, what is 1.5 off of it in percentage?

well, we can round that up to 18.8%, however since it's a subtraction from the board, we can say is -18.8%, a negative percent, because is a percent that was taken out of it.
Hoi!
If the two fractions have a common denominator, then yes, you do. Only add the numerators. :)
Answer:
option C: 120
Step-by-step explanation:
total marks = 5× 100 = 500
marks he obtained = 380
marks he lost = 500 - 380 = 120
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hope this will be helpful to you.