Answers

Add 25/14 and 42/20

1^st number: 1 11/14, 2^nd number: 2 2/20

25/14 + 42/20 is 136/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 14 × 10 = 140,
   25/14 = 25 × 10/14 × 10 = 250/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   42/20 = 42 × 7/20 × 7 = 294/140
4. Add the two like fractions:
   250/140 + 294/140 = 250 + 294/140 = 544/140
5. 544/140 simplified gives 136/35
6. So, 25/14 + 42/20 = 136/35
   In mixed form: 331/35

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