Compare 63/80 and 1/42
63/80 is greater than 1/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
63/80 = 63 × 21/80 × 21 = 1323/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
1/42 = 1 × 40/42 × 40 = 40/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1323/1680 > 40/1680 or 63/80 > 1/42
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