Solutions by everydaycalculation.com

Compare 2/15 and 12/42

2/15 is smaller than 12/42

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
2. For the 1st fraction, since 15 × 14 = 210,
2/15 = 2 × 14/15 × 14 = 28/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 28/210 < 60/210 or 2/15 < 12/42

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