NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 4: Fractions & Decimals - Problems and Solutions
Question 107

Question. 107

What should be added to 25.5 to get 50?

Answer:

24.5

Detailed Answer with Explanation:

  1. We want a number that, when added to 25.5, gives 50.
    So we can write: \[ ext{number} + 25.5 = 50 \]
  2. To find the number, subtract 25.5 from 50.
    \[ ext{number} = 50 - 25.5 \]
  3. Do the subtraction in two easy parts:
    • First subtract the whole number part:
      \[ 50 - 25 = 25 \]
    • Now subtract the decimal part:
      \[ 25 - 0.5 = 24.5 \]
    So, \[ 50 - 25.5 = 24.5. \]
  4. Quick check: add your answer back to 25.5:
    \[ 24.5 + 25.5 = 50 \]
    This matches the question, so the answer is correct.

Final answer: \( 24.5 \)

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