Compare 90/30 and 70/80
1st number: 3 0/30, 2nd number: 70/80
90/30 is greater than 70/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
90/30 = 90 × 8/30 × 8 = 720/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
70/80 = 70 × 3/80 × 3 = 210/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/240 > 210/240 or 90/30 > 70/80
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