1.51388889
5/8 + 8/9 = 45/72 + 64/72 = 109/72 = 1 37/72 (or 1.51389 in decimal form)
(8/9) + (5/6)
8/9+5/6 is 31/18.
8/9
(8+9)/(5+16) = 17/21 or about .8095238
8/5 + 9/10 = 125/50 or 5/2 or 21/2
5 and 8 over 21
9/8 or 1 and 1/8
4 / 5 + 8 / 9 = (9 * 4) / (9 * 5) + (5 * 8) / (5 * 9) = 36 / 45 + 40 / 45 = (36 + 40) / 45 = 76 / 45
8/25 + 5/9 = 72/225 + 125/225 = 197/225.
1/2 + 5/8 = 4/8 + 5/8 = 9/8 = 1 1/8
2/3 + 8/9 = 6/9 + 8/9 = 14/9 or 1 and 5/9.
5/8 + 2/4 = 36/32 or 9/8 or 11/8