Compare 70/21 and 42/14
1st number: 3 7/21, 2nd number: 3 0/14
70/21 is greater than 42/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
70/21 = 70 × 2/21 × 2 = 140/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
42/14 = 42 × 3/14 × 3 = 126/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/42 > 126/42 or 70/21 > 42/14
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