Compare 15/9 and 72/28
1st number: 1 6/9, 2nd number: 2 16/28
15/9 is smaller than 72/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
15/9 = 15 × 28/9 × 28 = 420/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
72/28 = 72 × 9/28 × 9 = 648/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/252 < 648/252 or 15/9 < 72/28
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