Compare 42/21 and 8/16
1st number: 2 0/21, 2nd number: 8/16
42/21 is greater than 8/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
42/21 = 42 × 16/21 × 16 = 672/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
8/16 = 8 × 21/16 × 21 = 168/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 672/336 > 168/336 or 42/21 > 8/16
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