Compare 30/98 and 63/81
30/98 is smaller than 63/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 81 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 98 × 81 = 7938,
30/98 = 30 × 81/98 × 81 = 2430/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
63/81 = 63 × 98/81 × 98 = 6174/7938 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2430/7938 < 6174/7938 or 30/98 < 63/81
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