Fractions
ICSE · Class 7 · Mathematics
Flashcards for Fractions — ICSE Class 7 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.
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Solve: If 2 parts are eaten out of 5 equal parts of an apple, what fraction of the apple is eaten and what fraction is left?
Answer
Step 1: Total equal parts = 5. Step 2: Parts eaten = 2, so eaten fraction = 2/5. Step 3: Parts left = 5 - 2 = 3. Step 4: Fraction left = 3/5. Answer: 2/5 is eaten and 3/5 is left.
In the fraction 7/9, which number is the numerator and which number is the denominator?
Answer
Step 1: In a fraction a/b, the top number is the numerator. Step 2: The bottom number is the denominator. Step 3: For 7/9, numerator = 7 and denominator = 9. Answer: Numerator = 7, denominator = 9.
Formula for a fraction
Answer
Formula: Fraction = Numerator/Denominator. Meaning: Numerator = top number, Denominator = bottom number, and denominator cannot be 0. Quick example: In 3/8, 3 is the numerator and 8 is the denominator…
Classify 11/10, 18/7, and 3 2/9.
Answer
Step 1: 11/10 has denominator 10, so it is a decimal fraction. Step 2: 18/7 has numerator greater than denominator, so it is an improper fraction. Step 3: 3 2/9 has a natural number and a proper fract…
Why is 4/4 equal to 1?
Answer
Step 1: The numerator and denominator are equal. Step 2: A fraction with equal numerator and denominator has value 1. Step 3: So 4/4 = 1. Answer: Because equal parts taken and total parts are the same…
Reduce 48/60 to lowest terms.
Answer
Step 1: Find the HCF of 48 and 60. Step 2: HCF = 12. Step 3: Divide numerator and denominator by 12. Step 4: 48/60 = (48 ÷ 12)/(60 ÷ 12) = 4/5. Answer: 4/5.
Why must a fraction be reduced to lowest terms?
Answer
Step 1: Fractions with the same value are equivalent fractions. Step 2: A fraction keeps the same value when numerator and denominator are divided by the same non-zero number. Step 3: The final form s…
Find an equivalent fraction of 7/20 with denominator 100.
Answer
Step 1: Make denominator 100. Step 2: 20 × 5 = 100. Step 3: Multiply numerator by the same number. Step 4: 7 × 5 = 35. Step 5: 7/20 = 35/100. Answer: 35/100.
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