Compare 16/49 and 21/30
16/49 is smaller than 21/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
16/49 = 16 × 30/49 × 30 = 480/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
21/30 = 21 × 49/30 × 49 = 1029/1470 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 480/1470 < 1029/1470 or 16/49 < 21/30
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