seven and eight tenths. you have to change one half to five tenths and then add the whole numbers and then the fraction
4/5 is what a half plus three tenths equals.
½ + ³/₁₀ =⁵/₁₀ + ³/₁₀ =⁸/₁₀ =⅘
one and five tenths or one and a half
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.
six tenths or three fifths
The sum of 3/10 and 1/2 is 4/5.
Expressed as a vulgar fraction in its simplest terms, 1/5 + 1/10 = 3/10, or three tenths.
Convert to same types to give six tenths and five tenths. That is eleven tenths. That is one and one tenth or 1.1 in decimal.