Compare 70/42 and 1/20
1st number: 1 28/42, 2nd number: 1/20
70/42 is greater than 1/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
70/42 = 70 × 10/42 × 10 = 700/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
1/20 = 1 × 21/20 × 21 = 21/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 700/420 > 21/420 or 70/42 > 1/20
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