Vähennä sekaluvut.

a. [[$1 \frac{2}{5} - 1 \frac{1}{5} =$]]

b. [[$2 \frac{3}{5} - 1 \frac{2}{5} =$]]

c. [[$2 \frac{3}{4} - 2 \frac{1}{4} =$]]

d. [[$2 \frac{4}{6} - 1 \frac{3}{6} =$]]

e. [[$3 \frac{2}{3} - 1 \frac{2}{3} =$]]

f. [[$5 \frac{9}{10} - 1 \frac{7}{10} =$]]

g. [[$6 \frac{7}{8} - 3 \frac{6}{8} =$]]

h. [[$9 \frac{7}{8} - 8 \frac{5}{8} =$]]

i. [[$7 \frac{1}{2} - 1 =$]]

j. [[$13 \frac{3}{7} - 4 =$]]