Compare 98/18 and 21/7
1st number: 5 8/18, 2nd number: 3 0/7
98/18 is greater than 21/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
98/18 = 98 × 7/18 × 7 = 686/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
21/7 = 21 × 18/7 × 18 = 378/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 686/126 > 378/126 or 98/18 > 21/7
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