Compare 63/42 and 20/7
1st number: 1 21/42, 2nd number: 2 6/7
63/42 is smaller than 20/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
20/7 = 20 × 6/7 × 6 = 120/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/42 < 120/42 or 63/42 < 20/7
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