Compare 70/20 and 80/70
1st number: 3 10/20, 2nd number: 1 10/70
70/20 is greater than 80/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
70/20 = 70 × 7/20 × 7 = 490/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
80/70 = 80 × 2/70 × 2 = 160/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 490/140 > 160/140 or 70/20 > 80/70
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