Compare 72/6 and 21/15
1st number: 12 0/6, 2nd number: 1 6/15
72/6 is greater than 21/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
72/6 = 72 × 5/6 × 5 = 360/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
21/15 = 21 × 2/15 × 2 = 42/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/30 > 42/30 or 72/6 > 21/15
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