Compare 9/70 and 49/90
9/70 is smaller than 49/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
9/70 = 9 × 9/70 × 9 = 81/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
49/90 = 49 × 7/90 × 7 = 343/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/630 < 343/630 or 9/70 < 49/90
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