1) 7/8 - 1/4 = 7/8 - 2/8 = 5/82) 5/6 + 1 1/3 = 5/6 + 4/3 = 5/6 + 8/6 = 13/6 = 2 1/63) 3/10 + 1/2 = 3/10 + 5/10 = 8/10 = 4/54) 7 1/6 - 3 1/5 = 7 + 1/6 - 3 - 1/5 = 6 + 6/10 - 2 - 2/10 = 4 4/55) 3,7 + 1 2/5 = 3.7 + 1 2/5 = 3.7 + 1.4 = 5.16) 13 1/6 - 5 1 = 13 - 5 - 1 = 7
1) 7/8 - 1/4 = 7/8 - 2/8 = 5/8
2) 5/6 + 1 1/3 = 5/6 + 4/3 = 5/6 + 8/6 = 13/6 = 2 1/6
3) 3/10 + 1/2 = 3/10 + 5/10 = 8/10 = 4/5
4) 7 1/6 - 3 1/5 = 7 + 1/6 - 3 - 1/5 = 6 + 6/10 - 2 - 2/10 = 4 4/5
5) 3,7 + 1 2/5 = 3.7 + 1 2/5 = 3.7 + 1.4 = 5.1
6) 13 1/6 - 5 1 = 13 - 5 - 1 = 7