📘 arithmetic

1. Problem (5): Calculate the sum of money Chung has altogether. Step 1: Write down the amounts: $1.46$, $2.25$, and $5.40$.

1. **State the problem:** We need to find the sum of $176 + 126$. 2. **Add the numbers:**

1. The problem is to find the sum of 48 and 126. 2. We add the two numbers: $$48 + 126 = 174$$.

1. Calculate the sum of 18 and 12%. First, express 12% as a decimal: $$12\% = \frac{12}{100} = 0.12$$

1. State the problem: Evaluate the expression $16003 - 45926 + 321744$. 2. First, calculate $16003 - 45926$:

1. First, rewrite the mixed numbers as improper fractions: $$3\frac{1}{2} = \frac{7}{2}, \quad 1\frac{13}{14} = \frac{27}{14}$$

1. The problem is to evaluate the sum of the fractions $\frac{1}{2}$, $\frac{2}{3}$, and $\frac{1}{4}$.\n\n2. First, find a common denominator for the fractions. The denominators a

1. The problem is to simplify the expression $5 \frac{7}{8} - 2 \frac{2}{5}$.\n\n2. First, convert mixed numbers to improper fractions.\n$5 \frac{7}{8} = \frac{5 \times 8 + 7}{8} =

1. **State the problem:** Simplify the expression $5 \frac{7}{6} - 2 \frac{2}{5}$. 2. **Convert mixed numbers to improper fractions:**

1. **State the problem:** You need to calculate the sums of the following additions: - Five sums of the form $$a + \frac{1}{10}$$ where $$a$$ is an integer.

1. State the problem: Multiply 8843 by 53. 2. Write the multiplication vertically:

1. Problem (1): Calculate $$\begin{array}{r} 2\ 5\ 8 \\ -1\ 2\ 6 \end{array}$$. Step 1: Subtract the units place: $$8-6=2$$.

1. Problem 11: Calculate $$7860 - 2929$$. Step: $$7860 - 2929 = 4931$$.

1. Subtracting 1,152 from 1,465: $$1465 - 1152 = 313$$

1. Calculate $45.00 - 17.76$: Subtracting gives $$45.00 - 17.76 = 27.24$$.

1. **State the problem:** Calculate the value of the expression $4 - 8 + 3$. 2. **Perform the subtraction:** First, subtract 8 from 4.

1. The problem states: Find \frac{2}{7} more than 28. 2. To find \frac{2}{7} more than 28 means to add \frac{2}{7} of 28 to 28.

1. The problem asks to simplify the expression $5 - \frac{1}{2}$.\n2. Rewrite 5 as a fraction with a denominator of 2 to combine the terms: $5 = \frac{10}{2}$.\n3. Now subtract the

1. Stating the problems: We need to add the amounts for three different cases: (22) $148.00 + 36.72 + 9.99$

1. Problem (17): Calculate $$75 + 3465 + 18162 + 12$$. Add the numbers step-by-step:

1. Calculate the sum of 371 and 423. $$371 + 423 = 794$$