Answers

Add 45/25 and 20/63

1^st number: 1 20/25, 2^nd number: 20/63

45/25 + 20/63 is 667/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 63 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 25 × 63 = 1575,
   45/25 = 45 × 63/25 × 63 = 2835/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   20/63 = 20 × 25/63 × 25 = 500/1575
4. Add the two like fractions:
   2835/1575 + 500/1575 = 2835 + 500/1575 = 3335/1575
5. 3335/1575 simplified gives 667/315
6. So, 45/25 + 20/63 = 667/315
   In mixed form: 237/315

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