Answers

Add 60/35 and 15/20

1^st number: 1 25/35, 2^nd number: 15/20

60/35 + 15/20 is 69/28.

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,
   60/35 = 60 × 4/35 × 4 = 240/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   15/20 = 15 × 7/20 × 7 = 105/140
4. Add the two like fractions:
   240/140 + 105/140 = 240 + 105/140 = 345/140
5. 345/140 simplified gives 69/28
6. So, 60/35 + 15/20 = 69/28
   In mixed form: 213/28

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