Advanced Mathematics Primary 4 Fractions

Priya is making a new colour for art class. She mixes 1/3 tin of yellow paint, 1/4 tin of blue paint and 1/6 tin of red paint together. What is the total amount of paint she uses?

A 3/4
B 3/13
C 7/12
D 1/2
Show Worked Solution

Worked Solution

Step 1: Find the LCD of 3, 4 and 6. Multiples of 6: 6, 12, 18 ... 12 is divisible by 3, 4 and 6, so LCD = 12. Step 2: Convert each fraction to an equivalent fraction with denominator 12. 1/3 = 4/12 1/4 = 3/12 1/6 = 2/12 Step 3: Add the three fractions. 4/12 + 3/12 + 2/12 = 9/12 Step 4: Simplify. 9/12 = 3/4 Priya uses 3/4 tin of paint in total.

Correct answer: 3/4

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

Start Free Trial — 7 Days Free