Compare 16/27 and 5/21
1627 is greater than 521
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
1627 = 16 × 727 × 7 = 112189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
521 = 5 × 921 × 9 = 45189 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 112189 > 45189 or 1627 > 521
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