# Simplify 8 1/2-7 1/2

812-712
Convert 812 to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
8+12-712
To write 8 as a fraction with a common denominator, multiply by 22.
8⋅22+12-712
Combine 8 and 22.
8⋅22+12-712
Combine the numerators over the common denominator.
8⋅2+12-712
Simplify the numerator.
Multiply 8 by 2.
16+12-712
172-712
172-712
172-712
172-712
Convert 712 to an improper fraction.
A mixed number is an addition of its whole and fractional parts.
172-(7+12)
To write 7 as a fraction with a common denominator, multiply by 22.
172-(7⋅22+12)
Combine 7 and 22.
172-(7⋅22+12)
Combine the numerators over the common denominator.
172-7⋅2+12
Simplify the numerator.
Multiply 7 by 2.
172-14+12
172-152
172-152
172-152
172-152
Combine the numerators over the common denominator.
17-152
Subtract 15 from 17.
22
Divide 2 by 2.
1
Simplify 8 1/2-7 1/2

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