2 3/5 - 1 5/6 = ?

10 2/9 - 5 3/7 = ?

2 3/5 - 1 1/4 = ?

Please help me.

2 3/5 - 1 5/6 =

First, let's change the first fraction to one with a larger denominator:

2 3/5 = 1 8/5

Next, convert the fractions to fractions with a common denominator.

1 8/5 = 1 48/30
1 5/6 = 1 25/30

1 48/30 - 1 25/30 = 1 23/30

You try the other two problems.