(7 per 12 +2 5 per 6) x (1 1 per 5 - 7 per 10)

( 7/12 + 2 5/6 ) x ( 1 1/5 - 7/10 )
( 7/12 + 17/6 ) x ( 6/5 - 7/10 )
( 7/12 + 34/12 ) x ( 12/10 - 7/10 )
41/12 x 5/10
205/120 (disederhanakan 205/120 : 5/5)
41/24 = 1 17/24 (dijadikan pecahan campuran)

semoga membantu

[tex]= ( \frac{7}{12}+2 \frac{5}{6}).( 1\frac{1}{5}- \frac{7}{10}) \\ \\ =( \frac{7}{12}+ \frac{17}{6}).( \frac{6}{5}- \frac{7}{10}) \\ \\ =( \frac{7}{12}+ \frac{34}{12}).( \frac{12}{10}- \frac{7}{10}) \\ \\ =( \frac{41}{12} ).( \frac{5}{10} ) \\ \\ = ( \frac{41}{12} ).( \frac{1}{2} ) \\ \\ = \frac{41}{24} \\ \\ =1 \frac{17}{24} [/tex]