Answers

Add 12/20 and 54/35

1^st number: 12/20, 2^nd number: 1 19/35

12/20 + 54/35 is 15/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   12/20 = 12 × 7/20 × 7 = 84/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   54/35 = 54 × 4/35 × 4 = 216/140
4. Add the two like fractions:
   84/140 + 216/140 = 84 + 216/140 = 300/140
5. 300/140 simplified gives 15/7
6. So, 12/20 + 54/35 = 15/7
   In mixed form: 21/7

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