Compare 9/30 and 40/50
9/30 is smaller than 40/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
40/50 = 40 × 3/50 × 3 = 120/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/150 < 120/150 or 9/30 < 40/50
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