Compare 75/20 and 7/42
1st number: 3 15/20, 2nd number: 7/42
75/20 is greater than 7/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
75/20 = 75 × 21/20 × 21 = 1575/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
7/42 = 7 × 10/42 × 10 = 70/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1575/420 > 70/420 or 75/20 > 7/42
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