Compare 84/20 and 90/8
1st number: 4 4/20, 2nd number: 11 2/8
84/20 is smaller than 90/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
84/20 = 84 × 2/20 × 2 = 168/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
90/8 = 90 × 5/8 × 5 = 450/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/40 < 450/40 or 84/20 < 90/8
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