Compare 20/18 and 70/64
1st number: 1 2/18, 2nd number: 1 6/64
20/18 is greater than 70/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 18 × 32 = 576,
20/18 = 20 × 32/18 × 32 = 640/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
70/64 = 70 × 9/64 × 9 = 630/576 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 640/576 > 630/576 or 20/18 > 70/64
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