Compare 4/40 and 21/98
4/40 is smaller than 21/98
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,
4/40 = 4 × 49/40 × 49 = 196/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
21/98 = 21 × 20/98 × 20 = 420/1960 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 196/1960 < 420/1960 or 4/40 < 21/98
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