EXAMPLE
Add 4^23 þ 9101 þ 735 :
SOLUTION
423 ¼ (^42030)
9101 ¼ 9303
þ 735 ¼ (^71830)
204130 ¼ 20 þ 1 þ^1130 ¼ (^211130)
PRACTICE
Add:
5^23 þ (^316)
8 125 þ (^1838)
31 167 þ (^1456)
5^12 þ 858 þ (^634)
21^38 þ 91112 þ 31165
ANSWERS
- 8^56
- 26^1924
- 46^1348
- 20^78
- 62^2948
Subtraction of Fractions
The rule for subtracting fractions is the same as the rule for adding fractions.
To subtract two fractions:
Step 1 Find the LCD of the fractions.
Step 2 Change the fractions to equivalent fractions in higher terms with
the LCD.
Step 3 Subtract the numerators of the fractions.
Step 4 Reduce the answer if possible.
CHAPTER 4 Fractions: Part 2 59