Q: What is four and seven tenths plus two and nine tenths?

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The sum of (eight and nine tenths) plus (nine and eight tenths) is (eighteen and seven tenths). 8.9 + 9.8 = 18.7

1

nine tenths

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

It is one and nine twentieths.

If you add three tenths to four tenths the sum will be seven tenths.

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.

3.8 + 2.9 = 6.7

24 Twenty Four

seven and 4 fifths

Thirteen tenths

1 2/5

seven and eight tenths. you have to change one half to five tenths and then add the whole numbers and then the fraction

12/10 or 6/5

nine tenths because 1/5 = 2/10 so 7/10 + 2/10 = 9/10

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

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

9 and 6/40 if simplified 9 and 3/20

2.7 + 2.8 = 5.5 = 5 and 1/2

⁹/₁₀ + ¹¹/₂₀ =¹⁸/₂₀ + ¹¹/₂₀ =²⁹/₂₀ or 1.45

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

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

1,7 = one and seven tenths. one = ten tenthsseven tenths plus ten tenths is seventeen tenths1,7 = 17/10

4/10 + 9/20 =8/20 + 9/20 = 17/20

seven-tenths