Compare 30/18 and 28/72
1st number: 1 12/18, 2nd number: 28/72
30/18 is greater than 28/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
30/18 = 30 × 4/18 × 4 = 120/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/72 > 28/72 or 30/18 > 28/72
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