Compare 81/2 and 63/70
1st number: 40 1/2, 2nd number: 63/70
81/2 is greater than 63/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
81/2 = 81 × 35/2 × 35 = 2835/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
63/70 = 63 × 1/70 × 1 = 63/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2835/70 > 63/70 or 81/2 > 63/70
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