Compare 84/16 and 90/72
1st number: 5 4/16, 2nd number: 1 18/72
84/16 is greater than 90/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
84/16 = 84 × 9/16 × 9 = 756/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
90/72 = 90 × 2/72 × 2 = 180/144 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 756/144 > 180/144 or 84/16 > 90/72
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