Compare 84/25 and 21/7
1st number: 3 9/25, 2nd number: 3 0/7
84/25 is greater than 21/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
84/25 = 84 × 7/25 × 7 = 588/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
21/7 = 21 × 25/7 × 25 = 525/175 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 588/175 > 525/175 or 84/25 > 21/7
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