Compare 30/42 and 4/16
30/42 is greater than 4/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
30/42 = 30 × 8/42 × 8 = 240/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
4/16 = 4 × 21/16 × 21 = 84/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/336 > 84/336 or 30/42 > 4/16
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