Compare 21/16 and 45/25
1st number: 1 5/16, 2nd number: 1 20/25
21/16 is smaller than 45/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 16 × 25 = 400,
21/16 = 21 × 25/16 × 25 = 525/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
45/25 = 45 × 16/25 × 16 = 720/400 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/400 < 720/400 or 21/16 < 45/25
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