7\450 + 8\180 = 9\180+7\120=

Question

7\450 + 8\180 = 9\180+7\120=

Comments

7\450+8\180= , 9\180+7\120=

Answer 1

7/450+2/45=1/2+7/120
27/450=67/120
3/5=67/120
3/5-67/120=0
72/120-67/120=0
5/120=1/24