14+15
To write 14 as a fraction with a common denominator, multiply by 55.
14⋅55+15
To write 15 as a fraction with a common denominator, multiply by 44.
14⋅55+15⋅44
Write each expression with a common denominator of 20, by multiplying each by an appropriate factor of 1.
Multiply 14 and 55.
54⋅5+15⋅44
Multiply 4 by 5.
520+15⋅44
Multiply 15 and 44.
520+45⋅4
Multiply 5 by 4.
520+420
520+420
Combine the numerators over the common denominator.
5+420