Compare 3/16 and 7/20
3/16 is smaller than 7/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
3/16 = 3 × 5/16 × 5 = 15/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
7/20 = 7 × 4/20 × 4 = 28/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/80 < 28/80 or 3/16 < 7/20
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