Compare 20/15 and 25/7
1st number: 1 5/15, 2nd number: 3 4/7
20/15 is smaller than 25/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
20/15 = 20 × 7/15 × 7 = 140/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
25/7 = 25 × 15/7 × 15 = 375/105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/105 < 375/105 or 20/15 < 25/7
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