Compare 35/15 and 30/21
1st number: 2 5/15, 2nd number: 1 9/21
35/15 is greater than 30/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
35/15 = 35 × 7/15 × 7 = 245/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
30/21 = 30 × 5/21 × 5 = 150/105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 245/105 > 150/105 or 35/15 > 30/21
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