Compare 21/49 and 1/30
21/49 is greater than 1/30
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,
21/49 = 21 × 30/49 × 30 = 630/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
1/30 = 1 × 49/30 × 49 = 49/1470 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/1470 > 49/1470 or 21/49 > 1/30
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