Compare 45/70 and 3/12
45/70 is greater than 3/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
45/70 = 45 × 6/70 × 6 = 270/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
3/12 = 3 × 35/12 × 35 = 105/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/420 > 105/420 or 45/70 > 3/12
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