1 1/5(3/4-1/3) = 6/5 (9/12 - 4/12) = 6/5 * 5/12 = 1/2
(1 1/3 - 5/6) 18 = 4/3 - 5/6 18 = 4/3 - 5 * 3 = 4/3 - 15 = -41/3
1 1/2 - 9/20 * 5/9 = 3/2 - 1/4 = 6/4 - 1/4 = 5/4 = 1 1/4
4/15 3/4 - 1/10 = 4/15 3/4 - 1/10 = 1/5 * 3/4 - 1/10 = 3/20 - 1/10 = 1/20
1 1/5(3/4-1/3)
= 6/5 (9/12 - 4/12)
= 6/5 * 5/12
= 1/2
(1 1/3 - 5/6) 18
= 4/3 - 5/6 18
= 4/3 - 5 * 3
= 4/3 - 15
= -41/3
1 1/2 - 9/20 * 5/9
= 3/2 - 1/4
= 6/4 - 1/4
= 5/4
= 1 1/4
4/15 3/4 - 1/10
= 4/15 3/4 - 1/10
= 1/5 * 3/4 - 1/10
= 3/20 - 1/10
= 1/20