Compare 90/40 and 28/20
1st number: 2 10/40, 2nd number: 1 8/20
90/40 is greater than 28/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
28/20 = 28 × 2/20 × 2 = 56/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/40 > 56/40 or 90/40 > 28/20
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