Compare 7/2 and 5/15
1st number: 3 1/2, 2nd number: 5/15
72 is greater than 515
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
72 = 7 × 152 × 15 = 10530 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
515 = 5 × 215 × 2 = 1030 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 10530 > 1030 or 72 > 515
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