Compare 81/40 and 28/45
1st number: 2 1/40, 2nd number: 28/45
81/40 is greater than 28/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
81/40 = 81 × 9/40 × 9 = 729/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
28/45 = 28 × 8/45 × 8 = 224/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 729/360 > 224/360 or 81/40 > 28/45
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