Compare 5/42 and 81/8
1st number: 5/42, 2nd number: 10 1/8
5/42 is smaller than 81/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
81/8 = 81 × 21/8 × 21 = 1701/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 20/168 < 1701/168 or 5/42 < 81/8
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