Answers

Add 45/20 and 75/35

1^st number: 2 5/20, 2^nd number: 2 5/35

45/20 + 75/35 is 123/28.

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,
   45/20 = 45 × 7/20 × 7 = 315/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   75/35 = 75 × 4/35 × 4 = 300/140
4. Add the two like fractions:
   315/140 + 300/140 = 315 + 300/140 = 615/140
5. 615/140 simplified gives 123/28
6. So, 45/20 + 75/35 = 123/28
   In mixed form: 411/28

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