Compare 7/40 and 18/98
7/40 is smaller than 18/98
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
7/40 = 7 × 49/40 × 49 = 343/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
18/98 = 18 × 20/98 × 20 = 360/1960 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 343/1960 < 360/1960 or 7/40 < 18/98
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