3/4 + 3 + 1/2 + 1 + 3/8 + 1 + 3/4
LCM denominator is 8, since all denominators are are factors of 8.
Convert the fractions to fraction over 8.
6/8+24/8+4/8+8/8+3/8+8/8+6/8
=59/8 <-- improper
=7 3/8 <-- mixed
=7.375
