Answers

Add 48/35 and 42/20

1^st number: 1 13/35, 2^nd number: 2 2/20

48/35 + 42/20 is 243/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 35 × 4 = 140,
   48/35 = 48 × 4/35 × 4 = 192/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   42/20 = 42 × 7/20 × 7 = 294/140
4. Add the two like fractions:
   192/140 + 294/140 = 192 + 294/140 = 486/140
5. 486/140 simplified gives 243/70
6. So, 48/35 + 42/20 = 243/70
   In mixed form: 333/70

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