Compare 80/90 and 5/8
80/90 is greater than 5/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
80/90 = 80 × 4/90 × 4 = 320/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
5/8 = 5 × 45/8 × 45 = 225/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 320/360 > 225/360 or 80/90 > 5/8
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