Compare 84/4 and 90/5
1st number: 21 0/4, 2nd number: 18 0/5
84/4 is greater than 90/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
84/4 = 84 × 5/4 × 5 = 420/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
90/5 = 90 × 4/5 × 4 = 360/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/20 > 360/20 or 84/4 > 90/5
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