Compare 9/10 and 81/72
1st number: 9/10, 2nd number: 1 9/72
9/10 is smaller than 81/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
9/10 = 9 × 36/10 × 36 = 324/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
81/72 = 81 × 5/72 × 5 = 405/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/360 < 405/360 or 9/10 < 81/72
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