Compare 70/30 and 81/50
1st number: 2 10/30, 2nd number: 1 31/50
70/30 is greater than 81/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
70/30 = 70 × 5/30 × 5 = 350/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
81/50 = 81 × 3/50 × 3 = 243/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 350/150 > 243/150 or 70/30 > 81/50
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