Compare 12/8 and 90/70
1st number: 1 4/8, 2nd number: 1 20/70
12/8 is greater than 90/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
12/8 = 12 × 35/8 × 35 = 420/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
90/70 = 90 × 4/70 × 4 = 360/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/280 > 360/280 or 12/8 > 90/70
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