Compare 12/10 and 21/80
1st number: 1 2/10, 2nd number: 21/80
12/10 is greater than 21/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
12/10 = 12 × 8/10 × 8 = 96/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
21/80 = 21 × 1/80 × 1 = 21/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 96/80 > 21/80 or 12/10 > 21/80
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