Compare 90/70 and 10/80
1st number: 1 20/70, 2nd number: 10/80
90/70 is greater than 10/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
90/70 = 90 × 8/70 × 8 = 720/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
10/80 = 10 × 7/80 × 7 = 70/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/560 > 70/560 or 90/70 > 10/80
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