Answer:
3¹/₁₂ cups; 7⅚ cups
Step-by-step explanation:
1. Cups of peanuts
4¾
<u>-1⅔
</u>
(a) Convert the fractions to their lowest common denominator
The lowest common denominator is 12.
4⁹/₁₂
<u>-1⁸/₁₂
</u>
(b) Subtract the numbers
4⁹/₁₂
<u>-1⁸/₁₂
</u>
3¹/₁₂
You need 3¹/₁₂ cups of peanuts.
2. Cups of cereal and peanuts
4¾
<u>+3¹/₁₂
</u>
(a) Convert the fractions to their lowest common denominator
The lowest common denominator is 12.
4⁹/₁₂
<u>+3 ¹/₁₂
</u>
(b) Add the numbers
4⁹/₁₂
<u>+3 ¹/₁₂
</u>
7¹⁰/₁₂
(c) Reduce the fraction to lowest terms
Divide the numerator and denominator by 2.
7¹⁰/₁₂ = 7⅚
The total volume of cereal and peanuts is 7⅚ cups.