Compare 25/42 and 16/30
25/42 is greater than 16/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
25/42 = 25 × 5/42 × 5 = 125/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
16/30 = 16 × 7/30 × 7 = 112/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 125/210 > 112/210 or 25/42 > 16/30
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