Question

20 8/15 - 11 11/35 Пожааалуйста

Answer 1

20 8/15 - 11 11/35 =308/15-396/35=

=(308*7-396*3)/105=(2156-1188)/105=

=968/105=9 23/105

Answer 2

Ответ:

20 $\frac{8}{15}$  - 11 $\frac{11}{35}$  = $\frac{308}{15}$-$\frac{396}{35}$ =  $\frac{(308*7-396*3)}{105}$ = $\frac{(2156-1188)}{105}$ = $\frac{968}{105}$ = 9 $\frac{23}{105}$

Answer 3

To subtract mixed numbers like 20 8/15 - 11 11/35, you'll need to convert the mixed numbers to improper fractions, find a common denominator, and then subtract the fractions. Here are the steps:

1. Convert the mixed numbers to improper fractions: 20 8/15 = (20 × 15 + 8)/15 = 308/15 11 11/35 = (11 × 35 + 11)/35 = 396/35

2. Find a common denominator: The least common multiple of 15 and 35 is 105, so we'll use 105 as the common denominator.

3. Convert the fractions to have the common denominator: 308/15 × 7/7 = 2156/105 396/35 × 3/3 = 1188/105

4. Subtract the fractions: 2156/105 - 1188/105 = (2156 - 1188)/105 = 968/105

5. Simplify the result, if necessary: The fraction 968/105 is already in its simplest form, so the final answer is:

20 8/15 - 11 11/35 = 968/105