1) -7.5 + 4.2 = -3.32) -3.7 - 5.8 = -9.53) -4.7 + 2.9 = -1.84) 3.7 - 5.6 = -1.95) -7/9 + 5/6 = (-7/9) + (10/18) = (-14/18) + (10/18) = -4/18 = -2/9
1) -7.5 + 4.2 = -3.3
2) -3.7 - 5.8 = -9.5
3) -4.7 + 2.9 = -1.8
4) 3.7 - 5.6 = -1.9
5) -7/9 + 5/6 = (-7/9) + (10/18) = (-14/18) + (10/18) = -4/18 = -2/9