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Q: What is four fifths plus seven eighths?

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12-4

I think 11.3

Eight and seven eighths.

One and eleven fortieths.

1/2+3/8=7/8 -lover of math geeks ;) the common denominator is eight, so one half is converted into four eights. Then, three eighths plus four eighths is seven eighthts, so your answer is seven eighths. - A math geek

The sum is 8 1/2 or 8.5

seven and two fifths

It is 8 5/8.

14 and 3/5

Two and three-eighths plus one and seven-eighths equals four and two-eighths, which can be to four and one-fourth. Here's how to find the answer. First, you add the two whole numbers together, giving you three. Next, since you are adding two fractions with the same denominator, you add the numerators together, which gives you ten eighths. You then convert that to one and two eighths and add the one to three which is four. Finally, you divide both the numerator and the denominator by two. The final answer is four and one-fourth.

eight and five eighths

seven eighths

seven and 4 fifths

The answer is seven eighths

it is 2 and four fifths

3/8 + 4/5 = 15/40 + 32/40 = 47/40 = 1 + 7/40

it is nine eighths it is nine eighths

11 1/4 reduced down 10 1/4 or 82/8

The answer is 2 and three eighths

one and seven eighths

4*5 + 7*9= 20+63=83.

-31/40 or -0.775

It works out at 9 tenths, or 0.9 in decimal.

2 7/8 + 1 3/4 = 4 5/8 or four and five eighths.

4 1/2 plus 3 7/8 = 8 3/8