Answers

Add 70/25 and 42/63

1^st number: 2 20/25, 2^nd number: 42/63

70/25 + 42/63 is 52/15.

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,
   70/25 = 70 × 63/25 × 63 = 4410/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   42/63 = 42 × 25/63 × 25 = 1050/1575
4. Add the two like fractions:
   4410/1575 + 1050/1575 = 4410 + 1050/1575 = 5460/1575
5. 5460/1575 simplified gives 52/15
6. So, 70/25 + 42/63 = 52/15
   In mixed form: 37/15

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