Answers

Subtract 20/18 from 25/15

1^st number: 1 10/15, 2^nd number: 1 2/18

25/15 - 20/18 is 5/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 18 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 15 × 6 = 90,
   25/15 = 25 × 6/15 × 6 = 150/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   20/18 = 20 × 5/18 × 5 = 100/90
4. Subtract the two like fractions:
   150/90 - 100/90 = 150 - 100/90 = 50/90
5. After reducing the fraction, the answer is 5/9

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