Compare 90/50 and 80/70
1st number: 1 40/50, 2nd number: 1 10/70
90/50 is greater than 80/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
90/50 = 90 × 7/50 × 7 = 630/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
80/70 = 80 × 5/70 × 5 = 400/350 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/350 > 400/350 or 90/50 > 80/70
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