Answers

Compare 70/45 and 81/72

1^st number: 1 25/45, 2^nd number: 1 9/72

70/45 is greater than 81/72

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   70/45 = 70 × 8/45 × 8 = 560/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   81/72 = 81 × 5/72 × 5 = 405/360
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 560/360 > 405/360 or 70/45 > 81/72

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