Question

(2/15+1 7/12) *30/103-2÷2 1/4*9/32 Помогите, прошу, дам 15 баллов))

Answer 1

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Answer 2

To solve the given expression, let's break it down step by step:

Step 1: Simplify the fractions 2/15 + 1 + 7/12 = (2/15) + (1) + (7/12)

To add fractions, we need to find a common denominator. In this case, the common denominator is 60.

(2/15) + (1) + (7/12) = (8/60) + (60/60) + (35/60)

Now, we can add the fractions:

(8/60) + (60/60) + (35/60) = (8 + 60 + 35) / 60 = 103/60

Step 2: Multiply by 30/103 (103/60) * (30/103) = (103 * 30) / (60 * 103)

The numerator and denominator have a common factor of 103, so we can simplify:

(103 * 30) / (60 * 103) = 30/60 = 1/2

Step 3: Divide by 2 (1/2) ÷ 2 = (1/2) * (1/2) = 1/4

Step 4: Multiply by 9/32 (1/4) * (9/32) = (1 * 9) / (4 * 32) = 9/128

Step 5: Add 9/128 to the previous result 1/4 + 9/128 = (32/128) + (9/128) = 41/128

Therefore, the value of the given expression is 41/128.

I hope this helps! Let me know if you have any further questions.