Adding and Subtracting Rational Numbers
This worksheet focuses on adding and subtracting rational numbers, including fractions, decimals, and mixed numbers, at a Grade 11 level.
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Adding and Subtracting Rational Numbers
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Read each question carefully and show all your work. Simplify all answers to their lowest terms.
1. Calculate the sum: \(\frac{3}{4} + \frac{5}{6}\)
2. Find the difference: \(\frac{7}{8} - \frac{1}{3}\)
3. Evaluate: \(2\frac{1}{2} + 1\frac{3}{5}\)
1. The sum of 4.75 and 2.3 is .
2. Subtract 3.15 from 8.9: .
3. Evaluate 12.05 - 7.8 + 3.25: .
1. Which expression is equivalent to \(\frac{1}{2} + 0.25\)?
\(\frac{3}{4}\)
\(\frac{1}{4}\)
0.5
0.25
2. What is the value of \(1\frac{1}{5} - 0.75\)?
0.45
0.35
1.95
0.55
1. A recipe calls for \(1\frac{3}{4}\) cups of flour. If you only have \(\frac{2}{3}\) of a cup, how much more flour do you need?
2. The temperature in the morning was -3.5°C. By afternoon, it rose by 7.2°C. What is the afternoon temperature?