Compare 5/21 and 90/35
1st number: 5/21, 2nd number: 2 20/35
5/21 is smaller than 90/35
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
5/21 = 5 × 5/21 × 5 = 25/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
90/35 = 90 × 3/35 × 3 = 270/105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 25/105 < 270/105 or 5/21 < 90/35
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