Compare 25/36 and 20/42
25/36 is greater than 20/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
25/36 = 25 × 7/36 × 7 = 175/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
20/42 = 20 × 6/42 × 6 = 120/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 175/252 > 120/252 or 25/36 > 20/42
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