Advanced Mathematics Primary 4 Decimals

Aisha poured 0.64 litres of lime juice into a container. Express 0.64 as a fraction in its simplest form.

A 16/25
B 32/50
C 8/125
D 16/100
Show Worked Solution

Worked Solution

Step 1: Write 0.64 as a fraction over its place value. 0.64 has 2 decimal places, so the denominator is 100. 0.64 = 64/100 Step 2: Find the highest common factor (HCF) of 64 and 100. Factors of 64: 1, 2, 4, 8, 16, 32, 64 Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100 HCF = 4 Step 3: Divide both numerator and denominator by 4. 64 / 4 = 16 100 / 4 = 25 Step 4: 0.64 = 16/25 (simplest form — 16 and 25 share no common factor other than 1)

Correct answer: 16/25

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free