Compare 25/84 and 21/8
1st number: 25/84, 2nd number: 2 5/8
25/84 is smaller than 21/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
25/84 = 25 × 2/84 × 2 = 50/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
21/8 = 21 × 21/8 × 21 = 441/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 50/168 < 441/168 or 25/84 < 21/8
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