Answers

Compare 70/72 and 90/70

1^st number: 70/72, 2^nd number: 1 20/70

70/72 is smaller than 90/70

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 70 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 72 × 35 = 2520,
   70/72 = 70 × 35/72 × 35 = 2450/2520
3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
   90/70 = 90 × 36/70 × 36 = 3240/2520
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 2450/2520 < 3240/2520 or 70/72 < 90/70

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