Question

10+(6 1/4-5 3/8):5/16-(3 1/4-2 3/10):4/5=

Answer 1

=10+(3 1/2-15/8)×16/5-(3/4-3/5)×5/4=10+(3/2-15/8)×16/5-3/20×5/4=10-3/8×16/5-3/4×1/4=10-3 2/5-3/16=10-6/5-3/16=689/80=8 49/80