98.6-7/3+11.4-7/4

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98.6-7/3+11.4-7/498.6-7/3+11.4-7/498.6-7/3+11.4-7/4=98.6+11.4-7*(1/3+1/4)=110-7*(7/12)=110-49/12=(13

98.6-7/3+11.4-7/4
98.6-7/3+11.4-7/4

98.6-7/3+11.4-7/4
=98.6+11.4-7*(1/3+1/4)
=110-7*(7/12)
=110-49/12
=(1320-49)/12
=1271/12