Compare 21/20 and 8/30
1st number: 1 1/20, 2nd number: 8/30
21/20 is greater than 8/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
8/30 = 8 × 2/30 × 2 = 16/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/60 > 16/60 or 21/20 > 8/30
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