Compare 30/10 and 42/81
1st number: 3 0/10, 2nd number: 42/81
30/10 is greater than 42/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
30/10 = 30 × 81/10 × 81 = 2430/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
42/81 = 42 × 10/81 × 10 = 420/810 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2430/810 > 420/810 or 30/10 > 42/81
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