Compare 15/12 and 70/80
1st number: 1 3/12, 2nd number: 70/80
15/12 is greater than 70/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
15/12 = 15 × 20/12 × 20 = 300/240 - 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
- 300/240 > 210/240 or 15/12 > 70/80
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