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Q: What is 3 and four fifths plus 2 and nine tenths?

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nine tenths

Nine tenths plus two fifths minus one fourth is equal to 1.05

four fifths is equal to eight tents, so three tenths plus eight tenths is eleven tenths, or one and one tenth

Thirteen tenths

one and five tenths or one and a half

twelve and nine tenths/one hundred and twenty nine over ten/12.9

eight-tenths

2. 3/5

4/5 plus 2/10 = 1

4/5 is what a half plus three tenths equals.

nine fifths 18/10 = 9/10 + 9/10 18/10 = 9/5

Four fifths plus one sixth I believe equals twenty-nine over 30

the answer is 9

1 2/5

I believe it is twelve and three tenths. I haven't done fractions in a while however, so i would look at an online calculator. =^.^= Yep.

seven and 4 fifths

4/5 + 7/10 + 9/10 = 8/10 + 7/10 + 9/10 =24/10 or 2.4

53/30 or 1 23/30

7 6/10

It's 2.3+4.2= 6.5

4/10 plus 2/5 = 4/5 in its simplest form

Multiply two fifths by two to get a common denominator. Then you will have 4 tenths plus three tenths. then add straight across and you will get seven tenths.

The sum of 9/10 and 3/5 is 1 1/2 or 1.5

2.7 + 2.8 = 5.5 = 5 and 1/2

12 7/15