Compare 3/8 and 18/90
3/8 is greater than 18/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
3/8 = 3 × 45/8 × 45 = 135/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
18/90 = 18 × 4/90 × 4 = 72/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 135/360 > 72/360 or 3/8 > 18/90
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