Compare 30/54 and 12/72
30/54 is greater than 12/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
30/54 = 30 × 4/54 × 4 = 120/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
12/72 = 12 × 3/72 × 3 = 36/216 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/216 > 36/216 or 30/54 > 12/72
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