# Greg studied science 2 1/3 hours and spent 2 1/2 hours doing his math homework. How many hours did Greg spend on his Math and Science lessons?

1
by keizham

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by keizham

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Let's have it done first in mixed number

since this is addition, you may first add the two whole numbers

having it as

+

for the fractions 1/3 and 1/2, find first the LCD which in this case is 6

=

therefore your answer will be

If we do it by changing it into improper fraction, we'll have it as:

still find the LCD

Converting it into a mixed number you'll have: