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What is seven eights plus three eights?
Seven eights plus three eights is ten eights. Now, possibly you intended to ask about eighths, rather than eights. Ten eighths is equal to one and a quarter. However, ten eights is equal to 80. The extra h makes a difference.
What is three eights plus two fifths?
16/40 + 15/40 = 31/40
What is three fifths plus three fifths?
(Three of anything) plus (another three of it) = (six of the same thing)
What is seven eights plus three fourths?
It would be 13/8 or 1 and 5/8
What is seven eights plus 2 and a half?
The final answer would be three and three-eighths. Here's how to solve it mentally.You have to set their denominators [bottom numbers] equal. So, keep seven eights, since two ["half"] goes into eight, but you must make 2 and a half into 2 and four eights, because four is half of eight. Pretend for a minute that the four eights isn't there. So, 2 and seven eights. Then, add one from the four eights, so that it will now be 3., and so that the four eights is now three eights. So, 3 and three eights.Sorry. I'm not very good at explaining, but I hope that helped. ^^"
