Answers

Add 25/20 and 7/45

1^st number: 1 5/20, 2^nd number: 7/45

25/20 + 7/45 is 253/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   25/20 = 25 × 9/20 × 9 = 225/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   7/45 = 7 × 4/45 × 4 = 28/180
4. Add the two like fractions:
   225/180 + 28/180 = 225 + 28/180 = 253/180
5. So, 25/20 + 7/45 = 253/180
   In mixed form: 173/180

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