Compare 28/9 and 40/15
1st number: 3 1/9, 2nd number: 2 10/15
28/9 is greater than 40/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
40/15 = 40 × 3/15 × 3 = 120/45 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/45 > 120/45 or 28/9 > 40/15
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