Compare 54/15 and 12/7
1st number: 3 9/15, 2nd number: 1 5/7
54/15 is greater than 12/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
54/15 = 54 × 7/15 × 7 = 378/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
12/7 = 12 × 15/7 × 15 = 180/105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/105 > 180/105 or 54/15 > 12/7
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