Compare 20/75 and 40/21
1st number: 20/75, 2nd number: 1 19/21
20/75 is smaller than 40/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
20/75 = 20 × 7/75 × 7 = 140/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
40/21 = 40 × 25/21 × 25 = 1000/525 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/525 < 1000/525 or 20/75 < 40/21
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