Two and eight tenths.
5 and 5/10
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.
One half is five tenths. Add three tenths, gives eight tenths. Simplify that by dividing the two values by their highest common factor, which is 2. That gives you four fifths.
4.5 tenths
Two and eight tenths.
5 and 5/10
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.
Two tenths plus three hundredths plus one thousandth plus eight ten thousandths
3 and 3/10
One half is five tenths. Add three tenths, gives eight tenths. Simplify that by dividing the two values by their highest common factor, which is 2. That gives you four fifths.
It's 2.3+4.2= 6.5
well three-sixth-two-sixth is one-sixth
5 and 29/30
4.5 tenths
7/10
3 2/10 + 2 1/5 + 2 3/5 = 8