Compare 30/28 and 15/20
1st number: 1 2/28, 2nd number: 15/20
30/28 is greater than 15/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
15/20 = 15 × 7/20 × 7 = 105/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/140 > 105/140 or 30/28 > 15/20
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