Compare 3/5 and 84/18
1st number: 3/5, 2nd number: 4 12/18
3/5 is smaller than 84/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/90 < 420/90 or 3/5 < 84/18
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