Compare 10/25 and 21/28
10/25 is smaller than 21/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 25 × 28 = 700,
10/25 = 10 × 28/25 × 28 = 280/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
21/28 = 21 × 25/28 × 25 = 525/700 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/700 < 525/700 or 10/25 < 21/28
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