Compare 3/7 and 50/81
3/7 is smaller than 50/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
3/7 = 3 × 81/7 × 81 = 243/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
50/81 = 50 × 7/81 × 7 = 350/567 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/567 < 350/567 or 3/7 < 50/81
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