Compare 4/42 and 81/5
1st number: 4/42, 2nd number: 16 1/5
4/42 is smaller than 81/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
4/42 = 4 × 5/42 × 5 = 20/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
81/5 = 81 × 42/5 × 42 = 3402/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 20/210 < 3402/210 or 4/42 < 81/5
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