Compare 81/10 and 80/40
1st number: 8 1/10, 2nd number: 2 0/40
81/10 is greater than 80/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
81/10 = 81 × 4/10 × 4 = 324/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
80/40 = 80 × 1/40 × 1 = 80/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/40 > 80/40 or 81/10 > 80/40
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