FR011 · Fractions & decimals · Classes 4–7
Fraction comparison
To compare fractions, use a common denominator or cross-multiply: compare a × d with c × b.
⅔ ? ⅗Fraction comparison
📐 Formula
a/b > c/d ⇔ ad > bc (b, d > 0)
✏️ Worked example
2/3 vs 3/5: 2 × 5 = 10 and 3 × 3 = 9, so 2/3 > 3/5.
🌍 Where it is used
Which team won a bigger share of matches; which offer is better.
❓ Quick check
Which is greater, 3/8 or 2/5?
🏋️ Practice
EasyCompare 4/7 and 3/7.
Answer: 4/7 > 3/7
MediumCompare 5/6 and 7/9.
Answer: 5/6 > 7/9 (45 > 42)
ChallengeOrder: 1/2, 3/5, 2/7
Answer: 2/7 < 1/2 < 3/5