Compare 20/6 and 42/15
1st number: 3 2/6, 2nd number: 2 12/15
20/6 is greater than 42/15
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,
20/6 = 20 × 5/6 × 5 = 100/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
42/15 = 42 × 2/15 × 2 = 84/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/30 > 84/30 or 20/6 > 42/15
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