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BEGINNERTime Savers
Compare Fractions Instantly
Cross-multiply to compare fractions without finding LCD
SSCIBPS
To compare a/b and c/d, cross-multiply:
Formula
If a×d > b×c, then a/b > c/dHow It Works
0
Multiply first numerator by second denominator
1
Multiply first denominator by second numerator
2
Compare the products
Examples
📝 Compare 3/7 and 5/11: 3×11=33 vs 7×5=35. 33<35, so 3/7 < 5/11
📝 Compare 7/9 and 5/6: 7×6=42 vs 9×5=45. 42<45, so 7/9 < 5/6
Pro Tips
💡 This works for any two fractions - no LCD needed!
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