Question

10целах 1/20+6целых 3/5 1целая 5/14+2целых2/7

Answer 1

Решение на картинке)

Answer 2

To add these mixed numbers, we should first convert them to improper fractions, then add the fractions and the whole numbers separately. Let's do the calculations step by step:

1. Convert the mixed numbers to improper fractions: 10 1/20 = (10 * 20 + 1) / 20 = 201/20 6 3/5 = (6 * 5 + 3) / 5 = 33/5 1 5/14 = (1 * 14 + 5) / 14 = 19/14 2 2/7 = (2 * 7 + 2) / 7 = 16/7

2. Add the fractions separately: 201/20 + 33/5 + 19/14 + 16/7

Now, we need to find a common denominator to add these fractions. The least common multiple (LCM) of 20, 5, 14, and 7 is 140. We'll rewrite each fraction with a denominator of 140:

3. Rewrite the fractions with a common denominator of 140: (201/20) * (7/7) = 1407/140 (33/5) * (28/28) = 924/140 (19/14) * (10/10) = 190/140 (16/7) * (20/20) = 320/140

4. Add the fractions: 1407/140 + 924/140 + 190/140 + 320/140

5. Combine the numerators: (1407 + 924 + 190 + 320) / 140

6. Calculate the sum: 2841 / 140

Now, we can simplify this fraction by finding the greatest common divisor (GCD) of the numerator and denominator, which is 3:

7. Simplify the fraction: (2841 ÷ 3) / (140 ÷ 3) = 947 / 47

So, the final result is 947/47, which can also be expressed as a mixed number: 20 7/47.