Compare 18/4 and 21/49
1st number: 4 2/4, 2nd number: 21/49
18/4 is greater than 21/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
18/4 = 18 × 49/4 × 49 = 882/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
21/49 = 21 × 4/49 × 4 = 84/196 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 882/196 > 84/196 or 18/4 > 21/49
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