Answers

Compare 72/28 and 90/40

1^st number: 2 16/28, 2^nd number: 2 10/40

72/28 is greater than 90/40

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 28 × 10 = 280,
   72/28 = 72 × 10/28 × 10 = 720/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   90/40 = 90 × 7/40 × 7 = 630/280
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 720/280 > 630/280 or 72/28 > 90/40

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