Compare 40/90 and 70/50
1st number: 40/90, 2nd number: 1 20/50
40/90 is smaller than 70/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
40/90 = 40 × 5/90 × 5 = 200/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 200/450 < 630/450 or 40/90 < 70/50
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Related: 80/90 and 70/50