Answers

Add 63/35 and 75/20

1^st number: 1 28/35, 2^nd number: 3 15/20

63/35 + 75/20 is 111/20.

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,
   75/20 = 75 × 7/20 × 7 = 525/140
4. Add the two like fractions:
   252/140 + 525/140 = 252 + 525/140 = 777/140
5. 777/140 simplified gives 111/20
6. So, 63/35 + 75/20 = 111/20
   In mixed form: 511/20

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