2/5 + 3/10
Make the denominator the same.
4/10 + 3/10
Add the numerator.
7/10
four fifths is equal to eight tents, so three tenths plus eight tenths is eleven tenths, or one and one tenth
one and five tenths or one and a half
six tenths or three fifths
eight-tenths
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.
4/5 is what a half plus three tenths equals.
3/5 + 7/10 = 1 3/10 or one and three tenths. Expressed as a decimal, this is equal to 1.3.
Nine tenths plus two fifths minus one fourth is equal to 1.05
11 15
9/10
5
1 2/5