Compare 5/42 and 54/80
5/42 is smaller than 54/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
5/42 = 5 × 40/42 × 40 = 200/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
54/80 = 54 × 21/80 × 21 = 1134/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 200/1680 < 1134/1680 or 5/42 < 54/80
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