Compare 21/18 and 30/48
1st number: 1 3/18, 2nd number: 30/48
21/18 is greater than 30/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
21/18 = 21 × 8/18 × 8 = 168/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
30/48 = 30 × 3/48 × 3 = 90/144 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/144 > 90/144 or 21/18 > 30/48
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