Compare 21/25 and 40/48
21/25 is greater than 40/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 48 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 25 × 48 = 1200,
21/25 = 21 × 48/25 × 48 = 1008/1200 - Likewise, for the 2nd fraction, since 48 × 25 = 1200,
40/48 = 40 × 25/48 × 25 = 1000/1200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1008/1200 > 1000/1200 or 21/25 > 40/48
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