Answers

Add 20/35 and 75/40

1^st number: 20/35, 2^nd number: 1 35/40

20/35 + 75/40 is 137/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 35 × 8 = 280,
   20/35 = 20 × 8/35 × 8 = 160/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   75/40 = 75 × 7/40 × 7 = 525/280
4. Add the two like fractions:
   160/280 + 525/280 = 160 + 525/280 = 685/280
5. 685/280 simplified gives 137/56
6. So, 20/35 + 75/40 = 137/56
   In mixed form: 225/56

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