1 3/4 plus 1/6 + (BLANK) = 7 1/2.

Question

I need to figure out what the missing fraction is.

Answer 1

Hello Elizabeth, we have:

1/3/4 + 1/6 + (Blank) = 7 1/2 (Now change to IMPROPER FRACTIONS)

= 7 + 1 + X = 15

___ ____ ___ (Now find the LEAST COMMON DENOMINATOR).

4 6 2.

21 + 2 + X = 90.

__________ + X ______ (Now add top numbers).

12 12 12.

= 23 + X = 90.

_____ ______ (Now subtract 23/12 from BOTH SIDES).

12 12.

-23 + X -23.

______ _____.

12 12.

X = 67

_____

12.

7 + 1 + 67 = 15.

__ ___ ___ ___.

4 6 12 2.

= 21 +2 +67 = 90.

___ ___ __ _____.

12 12 12 12.

= (21 + 2 + 67) = 90.

______________ ____.

12 12.

= 90 = 90.

____ _____. = 7 1/2 (When Reduced).

12 12.

Hope this helps!