Compare 4/8 and 80/90
4/8 is smaller than 80/90
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,
4/8 = 4 × 45/8 × 45 = 180/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
80/90 = 80 × 4/90 × 4 = 320/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/360 < 320/360 or 4/8 < 80/90
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