Compare 5/15 and 80/42
1st number: 5/15, 2nd number: 1 38/42
5/15 is smaller than 80/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
5/15 = 5 × 14/15 × 14 = 70/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
80/42 = 80 × 5/42 × 5 = 400/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 70/210 < 400/210 or 5/15 < 80/42
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