Answers

Subtract 45/18 from 28/35

1^st number: 28/35, 2^nd number: 2 9/18

28/35 - 45/18 is -17/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 18 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 35 × 18 = 630,
   28/35 = 28 × 18/35 × 18 = 504/630
3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
   45/18 = 45 × 35/18 × 35 = 1575/630
4. Subtract the two like fractions:
   504/630 - 1575/630 = 504 - 1575/630 = -1071/630
5. After reducing the fraction, the answer is -17/10

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