Answers

Add 25/20 and 42/63

1^st number: 1 5/20, 2^nd number: 42/63

25/20 + 42/63 is 23/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   25/20 = 25 × 63/20 × 63 = 1575/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   42/63 = 42 × 20/63 × 20 = 840/1260
4. Add the two like fractions:
   1575/1260 + 840/1260 = 1575 + 840/1260 = 2415/1260
5. 2415/1260 simplified gives 23/12
6. So, 25/20 + 42/63 = 23/12
   In mixed form: 111/12

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