Step-by-step explanation:
[tex] = 9 \frac{3}{10} - 5 \frac{3}{4} [/tex]
[tex] = (9 - 5) + ( \frac{3}{10} - \frac{3}{4} )[/tex]
[tex] = 4 + \frac{6 - 15}{20} [/tex]
[tex] = 4 - \frac{9}{20} [/tex]
[tex] = 3 + \frac{20 - 9}{20} [/tex]
[tex] = 3 + \frac{11}{20} [/tex]
[tex] = 3 \frac{11}{20} [/tex]
