Compare 25/15 and 20/18
1st number: 1 10/15, 2nd number: 1 2/18
25/15 is greater than 20/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
25/15 = 25 × 6/15 × 6 = 150/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
20/18 = 20 × 5/18 × 5 = 100/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/90 > 100/90 or 25/15 > 20/18
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