Compare 28/70 and 90/18
1st number: 28/70, 2nd number: 5 0/18
28/70 is smaller than 90/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
90/18 = 90 × 35/18 × 35 = 3150/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/630 < 3150/630 or 28/70 < 90/18
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