Compare 6/90 and 5/12
690 is smaller than 512
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
690 = 6 × 290 × 2 = 12180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
512 = 5 × 1512 × 15 = 75180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 12180 < 75180 or 690 < 512
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