Answers

Add 20/45 and 90/25

1^st number: 20/45, 2^nd number: 3 15/25

20/45 + 90/25 is 182/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 25 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 45 × 5 = 225,
   20/45 = 20 × 5/45 × 5 = 100/225
3. Likewise, for the 2nd fraction, since 25 × 9 = 225,
   90/25 = 90 × 9/25 × 9 = 810/225
4. Add the two like fractions:
   100/225 + 810/225 = 100 + 810/225 = 910/225
5. 910/225 simplified gives 182/45
6. So, 20/45 + 90/25 = 182/45
   In mixed form: 42/45

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