Compare 7/9 and 7/20
79 is greater than 720
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
79 = 7 × 209 × 20 = 140180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
720 = 7 × 920 × 9 = 63180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140180 > 63180 or 79 > 720
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