7/9 + 10/11 =
First make both denominators the same:
(11/11)(7/9) + (9/9)(10/11) =
77/99 + 90/99 =
Then add the fractions.
167/99
7 over 10 plus 7 over 10 is 14 over 10 or 1.4
7/10 + 7/10 = 7/5
3 over 7, 6 over 11, 7 over 10.
7 over 10
1/5 plus 1/7 plus 3/10 is equal to 0.642857
7 over 10 plus 7 over 10 is 14 over 10 or 1.4
7/10 + 7/10 = 7/5
3 over 7, 6 over 11, 7 over 10.
7 over 10
7/11 + 9/7 = 148/77 or 171/77
1/5 plus 1/7 plus 3/10 is equal to 0.642857
11 over 10
18/7
7 over 10
(-1 / 10) + (7 / 10) = 0.6
2/7+8/11 = 78/77
7/17 + 4/11 = 145/187