3/7 + -6/5 + 9/4 + -4/9 is
22/25
2/-3
2/25
1303/1260
2/3 + 4/3 = ?
1
2
8/3
8/9
7/-8 ÷ 53/64 =
-56/53
21/18
109/284
None of these
Multiplicative inverse of 7/9 is
0
9/7
14/18
-7/5 ÷ 5/7 =
-1
25/49
-49/25
1 +( -4/5 )=
6/10
2/8
1/5
Additive inverse of -5/6 is
5/6
6/5
-6/5
3 - 2/5 = ?
-1/5
13/15
13/5
Multiplicative identity of 13/36 is
26/13
-26/13
Zero
5/7 + 8/5 = ?
13/12
13/35
81/35
40/35