Compare 81/42 and 7/8
1st number: 1 39/42, 2nd number: 7/8
81/42 is greater than 7/8
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,
81/42 = 81 × 4/42 × 4 = 324/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
7/8 = 7 × 21/8 × 21 = 147/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/168 > 147/168 or 81/42 > 7/8
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