Compare 42/4 and 81/10
1st number: 10 2/4, 2nd number: 8 1/10
42/4 is greater than 81/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
42/4 = 42 × 5/4 × 5 = 210/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
81/10 = 81 × 2/10 × 2 = 162/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/20 > 162/20 or 42/4 > 81/10
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