
Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller
النسخة 12الرقم المعياري الدولي: 978-0132605540
Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller
النسخة 12الرقم المعياري الدولي: 978-0132605540 تمرين 42
Subtract. Write each answer in lowest terms. (See Example.)
Subtracting with Borrowing
(a) Subtract
from
.
(b) Subtract
rom 41.
Quick TIP
You do not have to write fractions using the least common denominator when adding or subtracting on a calculator.
SOLUTION
Start by rewriting each problem with a common denominator.
(a)
Subtracting
from
requires borrowing from the whole number 10.
Rewrite the problem as shown. Check by adding
and
The answer should be
(b)
To subtract the fraction
requires borrowing 1 whole unit from 41.
Rewrite the problem as shown. Check by adding
and
. The answer should be 41.
The calculator solution to part (a) uses the fraction key.


Subtracting with Borrowing
(a) Subtract


(b) Subtract

Quick TIP
You do not have to write fractions using the least common denominator when adding or subtracting on a calculator.
SOLUTION
Start by rewriting each problem with a common denominator.
(a)

Subtracting



Rewrite the problem as shown. Check by adding




(b)

To subtract the fraction


Rewrite the problem as shown. Check by adding



The calculator solution to part (a) uses the fraction key.

التوضيح
To subtract from
first determine wheth...
Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller
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