Compare 1/84 and 81/10
1st number: 1/84, 2nd number: 8 1/10
1/84 is smaller than 81/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
81/10 = 81 × 42/10 × 42 = 3402/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 5/420 < 3402/420 or 1/84 < 81/10
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