Answers

Add 42/35 and 54/20

1^st number: 1 7/35, 2^nd number: 2 14/20

42/35 + 54/20 is 39/10.

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,
   42/35 = 42 × 4/35 × 4 = 168/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   54/20 = 54 × 7/20 × 7 = 378/140
4. Add the two like fractions:
   168/140 + 378/140 = 168 + 378/140 = 546/140
5. 546/140 simplified gives 39/10
6. So, 42/35 + 54/20 = 39/10
   In mixed form: 39/10

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