u+45=534

A mixed number is an addition of its whole and fractional parts.

u+45=5+34

Add 5 and 34.

To write 5 as a fraction with a common denominator, multiply by 44.

u+45=5⋅44+34

Combine 5 and 44.

u+45=5⋅44+34

Combine the numerators over the common denominator.

u+45=5⋅4+34

Simplify the numerator.

Multiply 5 by 4.

u+45=20+34

Add 20 and 3.

u+45=234

u+45=234

u+45=234

u+45=234

Subtract 45 from both sides of the equation.

u=234-45

To write 234 as a fraction with a common denominator, multiply by 55.

u=234⋅55-45

To write -45 as a fraction with a common denominator, multiply by 44.

u=234⋅55-45⋅44

Write each expression with a common denominator of 20, by multiplying each by an appropriate factor of 1.

Multiply 234 and 55.

u=23⋅54⋅5-45⋅44

Multiply 4 by 5.

u=23⋅520-45⋅44

Multiply 45 and 44.

u=23⋅520-4⋅45⋅4

Multiply 5 by 4.

u=23⋅520-4⋅420

u=23⋅520-4⋅420

Combine the numerators over the common denominator.

u=23⋅5-4⋅420

Simplify the numerator.

Multiply 23 by 5.

u=115-4⋅420

Multiply -4 by 4.

u=115-1620

Subtract 16 from 115.

u=9920

u=9920

u=9920

The result can be shown in multiple forms.

Exact Form:

u=9920

Decimal Form:

u=4.95

Mixed Number Form:

u=41920

Solve for u u+4/5=5 3/4