Fractions : Addition & Subtraction

     SECTION 1)

     1]  1/4  +  1/2         6] 1/2  -  1/4          11] 2/3  +  2/5
     2]  1/5  +  1/3         7] 1/3  -  1/5          12] 2/3  -  2/5
     3]  1/7  +  1/4         8] 1/4  -  1/7          13] 3/7  -  2/9
     4]  1/9  +  1/6         9] 1/6  -  1/9          14] 5/8  +  1/7
     5]  1/8  +  1/3        10] 1/3  -  1/8          15] 3/4  -  5/9

     SECTION 2)

     1]  1/2  +  1/3  +  1/4         6] 3/5  +  1/4  -  5/16
     2]  1/2  +  1/3  -  1/4         7] 3/4  -  7/8  +  1/2
     3]  2/3  -  1/2  +  1/5         8] 5/6  +  1/3  -  5/12
     4]  5/8  -  1/4  +  1/7         9] 1/8  -  1/2  +  2/3
     5]  3/5  -  2/3  +  3/7        10] 8/9  -  1/3  -  1/5