Question

2 5/8+1 3/10.....................​

Answer 1

Ответ:

177/40

Пошаговое объяснение:

25/8+13/10=125+52/40=177/40=4(целых)17/40 или 4,425

Answer 2

To add these two mixed numbers, you'll want to convert the mixed numbers into improper fractions first and then add them together. Here's how you can do it step by step:

1. Convert the mixed numbers to improper fractions: $2 \frac{5}{8}$ as an improper fraction = $\frac{2 \cdot 8 + 5}{8} = \frac{16 + 5}{8} = \frac{21}{8}$ $1 \frac{3}{10}$ as an improper fraction = $\frac{1 \cdot 10 + 3}{10} = \frac{10 + 3}{10} = \frac{13}{10}$

2. Find a common denominator for the fractions, which is 8 (the least common multiple of 8 and 10).

3. Rewrite the fractions with the common denominator: $\frac{21}{8} + \frac{13}{10}$

4. Adjust the fractions to have the same denominator: $\frac{21 \cdot 10}{8 \cdot 10} + \frac{13 \cdot 8}{10 \cdot 8}$ $\frac{210}{80} + \frac{104}{80}$

5. Add the fractions together: $\frac{210 + 104}{80}$ $\frac{314}{80}$

6. Simplify the fraction, if necessary: The greatest common divisor (GCD) of 314 and 80 is 2. Divide both the numerator and denominator by 2: $\frac{314 \div 2}{80 \div 2}$ $\frac{157}{40}$

So, $2 \frac{5}{8} + 1 \frac{3}{10} = \frac{157}{40}$ as an improper fraction, which can also be written as $3 \frac{37}{40}$ in mixed number form.