# Combine 2/3-1/4-1/8

23-14-18
To write 23 as a fraction with a common denominator, multiply by 44.
23⋅44-14-18
To write -14 as a fraction with a common denominator, multiply by 33.
23⋅44-14⋅33-18
Write each expression with a common denominator of 12, by multiplying each by an appropriate factor of 1.
Multiply 23 and 44.
2⋅43⋅4-14⋅33-18
Multiply 3 by 4.
2⋅412-14⋅33-18
Multiply 14 and 33.
2⋅412-34⋅3-18
Multiply 4 by 3.
2⋅412-312-18
2⋅412-312-18
Combine the numerators over the common denominator.
2⋅4-312-18
Simplify the numerator.
Multiply 2 by 4.
8-312-18
Subtract 3 from 8.
512-18
512-18
To write 512 as a fraction with a common denominator, multiply by 22.
512⋅22-18
To write -18 as a fraction with a common denominator, multiply by 33.
512⋅22-18⋅33
Write each expression with a common denominator of 24, by multiplying each by an appropriate factor of 1.
Multiply 512 and 22.
5⋅212⋅2-18⋅33
Multiply 12 by 2.
5⋅224-18⋅33
Multiply 18 and 33.
5⋅224-38⋅3
Multiply 8 by 3.
5⋅224-324
5⋅224-324
Combine the numerators over the common denominator.
5⋅2-324
Simplify the numerator.
Multiply 5 by 2.
10-324
Subtract 3 from 10.
724
724
Combine 2/3-1/4-1/8

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