Compare 30/72 and 12/30
30/72 is greater than 12/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
30/72 = 30 × 5/72 × 5 = 150/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
12/30 = 12 × 12/30 × 12 = 144/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/360 > 144/360 or 30/72 > 12/30
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