Do calculations on scrap paper as needed. Worked-out solutions are provided at end.
Convert to mixed number: 150/7.
Convert to an improper fraction: 9 5/8.
Find the GCD by step approach and reduce to lowest terms: 15/80.
Convert to higher terms: 7/10 = /90.
Find the LCD: 15 6 3 4 2
Subtract: 8 1/8 - 6 7/24
Multiply (use canceling): 14 x 2/7
Multiply (do not use canceling; reduce by GCD): 7/8 x 6/9
Complete: 1/4 ÷ 3/6.
A recent testing survey showed 1/4 of all people surveyed preferred baking soda toothpaste to regular. If 26,000 people were in the survey, how many favored regular toothpaste? How many favored baking soda toothpaste?
