Compare 21/80 and 8/6
1st number: 21/80, 2nd number: 1 2/6
21/80 is smaller than 8/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240 - Likewise, for the 2nd fraction, since 6 × 40 = 240,
8/6 = 8 × 40/6 × 40 = 320/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/240 < 320/240 or 21/80 < 8/6
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