# Evaluate 1/15-2/27+1/45 115-227+145
To write 115 as a fraction with a common denominator, multiply by 99.
115⋅99-227+145
To write -227 as a fraction with a common denominator, multiply by 55.
115⋅99-227⋅55+145
Write each expression with a common denominator of 135, by multiplying each by an appropriate factor of 1.
Multiply 115 and 99.
915⋅9-227⋅55+145
Multiply 15 by 9.
9135-227⋅55+145
Multiply 227 and 55.
9135-2⋅527⋅5+145
Multiply 27 by 5.
9135-2⋅5135+145
9135-2⋅5135+145
Combine the numerators over the common denominator.
9-2⋅5135+145
Simplify the numerator.
Multiply -2 by 5.
9-10135+145
Subtract 10 from 9.
-1135+145
-1135+145
Move the negative in front of the fraction.
-1135+145
To write 145 as a fraction with a common denominator, multiply by 33.
-1135+145⋅33
Write each expression with a common denominator of 135, by multiplying each by an appropriate factor of 1.
Multiply 145 and 33.
-1135+345⋅3
Multiply 45 by 3.
-1135+3135
-1135+3135
Combine the numerators over the common denominator.
-1+3135
Add -1 and 3.
2135
The result can be shown in multiple forms.
Exact Form:
2135
Decimal Form:
0.0148‾
Evaluate 1/15-2/27+1/45

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