Compare 70/90 and 30/25
1st number: 70/90, 2nd number: 1 5/25
70/90 is smaller than 30/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
70/90 = 70 × 5/90 × 5 = 350/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
30/25 = 30 × 18/25 × 18 = 540/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 350/450 < 540/450 or 70/90 < 30/25
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