Answers

Compare 30/20 and 30/42

1^st number: 1 10/20, 2^nd number: 30/42

30/20 is greater than 30/42

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 42 is 420
2. For the 1st fraction, since 20 × 21 = 420,
   30/20 = 30 × 21/20 × 21 = 630/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   30/42 = 30 × 10/42 × 10 = 300/420
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 630/420 > 300/420 or 30/20 > 30/42

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