Compare 42/9 and 90/15
1st number: 4 6/9, 2nd number: 6 0/15
42/9 is smaller than 90/15
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,
42/9 = 42 × 5/9 × 5 = 210/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
90/15 = 90 × 3/15 × 3 = 270/45 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/45 < 270/45 or 42/9 < 90/15
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