Compare 72/28 and 18/8
1st number: 2 16/28, 2nd number: 2 2/8
72/28 is greater than 18/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
72/28 = 72 × 2/28 × 2 = 144/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 144/56 > 126/56 or 72/28 > 18/8
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