Compare 80/30 and 54/42
1st number: 2 20/30, 2nd number: 1 12/42
80/30 is greater than 54/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
80/30 = 80 × 7/30 × 7 = 560/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/210 > 270/210 or 80/30 > 54/42
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