Compare 70/81 and 12/64
70/81 is greater than 12/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 64 is 5184
Next, find the equivalent fraction of both fractional numbers with denominator 5184 - For the 1st fraction, since 81 × 64 = 5184,
70/81 = 70 × 64/81 × 64 = 4480/5184 - Likewise, for the 2nd fraction, since 64 × 81 = 5184,
12/64 = 12 × 81/64 × 81 = 972/5184 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4480/5184 > 972/5184 or 70/81 > 12/64
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