Compare 75/21 and 8/20
1st number: 3 12/21, 2nd number: 8/20
75/21 is greater than 8/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
75/21 = 75 × 20/21 × 20 = 1500/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
8/20 = 8 × 21/20 × 21 = 168/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1500/420 > 168/420 or 75/21 > 8/20
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