Compare 8/6 and 21/90
1st number: 1 2/6, 2nd number: 21/90
8/6 is greater than 21/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
8/6 = 8 × 15/6 × 15 = 120/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/90 > 21/90 or 8/6 > 21/90
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