To compare two ratios, convert them into equivalent like fractions.
LCM of 7 and 12 is 84
So,80/7=(80x12)/(7x12)= 960/84
And 90/12=(90x7)/(12x7)= 630/84
Ratio is 960 : 630 or 192 : 126 or 32 : 21
Guest
must be 32 : 21
Leave a Reply
Your are not logged in . Please login to post replies