Compare 7/75 and 21/20
1st number: 7/75, 2nd number: 1 1/20
7/75 is smaller than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
7/75 = 7 × 4/75 × 4 = 28/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
21/20 = 21 × 15/20 × 15 = 315/300 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/300 < 315/300 or 7/75 < 21/20
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