- A
- B
- C
- D
Step-by-Step Solution
Cricket and kabaddi together: . Badminton is the rest: . Stopping at answers the wrong question; adding tops and bottoms gives and then .
Answer: D)
In a class survey, of the students chose cricket and chose kabaddi. The rest chose badminton. What fraction of the students chose badminton?
Class 7Fractions and DecimalsFractions and Decimals
Key idea: Adding and subtracting unlike fractions
Step 1: find the **LCM of the denominators**. Step 2: convert each fraction to an equivalent fraction with that LCM as the new denominator. Step 3: now the fractions are 'like' — add or subtract numerators, keep denominator.
Example: 1/3 + 1/4. LCM of 3 and 4 is 12. Convert: 1/3 = 4/12, 1/4 = 3/12. Add: 4/12 + 3/12 = 7/12.
The whole job is converting once you've picked the right common denominator.
Example: 1/3 + 1/4. LCM of 3 and 4 is 12. Convert: 1/3 = 4/12, 1/4 = 3/12. Add: 4/12 + 3/12 = 7/12.
The whole job is converting once you've picked the right common denominator.
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More Class 7 Fractions and Decimals practice
A jar of mango pickle weighs 2 34 kg. What is this weight written as a decimal (in kg)?Compute 4/15 × 25/16. Give your answer in simplest form.A cooking gas cylinder with gas in it weighs 29.5 kg. The empty cylinder weighs 15.75…Which of these fractions lies closest to 1?Without working out every answer in full, decide which of these products is the LARGEST.