Answers

Add 63/35 and 6/20

1^st number: 1 28/35, 2^nd number: 6/20

63/35 + 6/20 is 21/10.

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,
   63/35 = 63 × 4/35 × 4 = 252/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   6/20 = 6 × 7/20 × 7 = 42/140
4. Add the two like fractions:
   252/140 + 42/140 = 252 + 42/140 = 294/140
5. 294/140 simplified gives 21/10
6. So, 63/35 + 6/20 = 21/10
   In mixed form: 21/10

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