Answers

Add 25/20 and 64/10

1^st number: 1 5/20, 2^nd number: 6 4/10

25/20 + 64/10 is 153/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   25/20 = 25 × 1/20 × 1 = 25/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   64/10 = 64 × 2/10 × 2 = 128/20
4. Add the two like fractions:
   25/20 + 128/20 = 25 + 128/20 = 153/20
5. So, 25/20 + 64/10 = 153/20
   In mixed form: 713/20

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