Answers

Compare 36/21 and 90/10

1^st number: 1 15/21, 2^nd number: 9 0/10

36/21 is smaller than 90/10

Steps for comparing fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 10 is 210
2. For the 1st fraction, since 21 × 10 = 210,
   36/21 = 36 × 10/21 × 10 = 360/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   90/10 = 90 × 21/10 × 21 = 1890/210
4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
5. 360/210 < 1890/210 or 36/21 < 90/10

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