Adding
2/5 + 4/5
= 6/5
3/2 − 1/2
= 1
8/7 ⋅ 7/10
= 56/70 = 4/5
−1/5 ÷ 7/4
= -4/35
(-10/7 ) + 1/6
-53/42
2 − 13/8
= 3/8
− 2/3 ⋅ 5/4
= − 5/6
1/2 ÷ 8/7
= 7/16
9/5 + (− 4/3)
= 7/15
1/3 − ( − 5/3)
= 2
−2 ⋅ 3/7
= − 6/7
−9/5 ÷ 2
−2 ÷ −3 4/5
(− 1/3) + 3/8
=1/24
(− 4/5) − 7/8
= − 67/40
−1 1/4 ⋅ 9
= −11 1/4
1/9 ÷ −1 1/3
= − 1 1/2
(−1 3/4) + (−3 3/4)
−5 1/2
(−3 3/5) − 4 2/5
= -8
−1 5/7 ⋅ −2 1/2
= 4 2/7
−3 7/10 ÷ 2 1/4
= −1 29/45