Compare 72/28 and 42/30
1st number: 2 16/28, 2nd number: 1 12/30
72/28 is greater than 42/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
72/28 = 72 × 15/28 × 15 = 1080/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
42/30 = 42 × 14/30 × 14 = 588/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/420 > 588/420 or 72/28 > 42/30
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