Answers

Add 40/35 and 75/72

1^st number: 1 5/35, 2^nd number: 1 3/72

40/35 + 75/72 is 367/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 35 × 72 = 2520,
   40/35 = 40 × 72/35 × 72 = 2880/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   75/72 = 75 × 35/72 × 35 = 2625/2520
4. Add the two like fractions:
   2880/2520 + 2625/2520 = 2880 + 2625/2520 = 5505/2520
5. 5505/2520 simplified gives 367/168
6. So, 40/35 + 75/72 = 367/168
   In mixed form: 231/168

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