5.24+7分之3+2.76+7分之4
=(5.24+2.76)+(3/7+4/7)
=8+1
=9
24分之29-24分之5-11分之1)
=(29/24-5/24)-1/11
=24/24-1/11
=1-1/11
=10/1111分之18-(11分之7+8分之3)
=18/11-7/11-3/8
=11/11-3/8
=1-3/8
=5/8
1又15分之8-9分之4-9分之5
=1又15分之8-(9分之4+9分之5)
=1又8/15-1
=8/15
5.24+7分之3+2.76+7分之4
=(5.24+2.76)+(3/7+4/7)
=8+1
=9
24分之29-24分之5-11分之1)
=(29/24-5/24)-1/11
=24/24-1/11
=1-1/11
=10/1111分之18-(11分之7+8分之3)
=18/11-7/11-3/8
=11/11-3/8
=1-3/8
=5/8
1又15分之8-9分之4-9分之5
=1又15分之8-(9分之4+9分之5)
=1又8/15-1
=8/15