Compare 15/45 and 70/30
1st number: 15/45, 2nd number: 2 10/30
15/45 is smaller than 70/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/90 < 210/90 or 15/45 < 70/30
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