Answers

Add 72/35 and 70/40

1^st number: 2 2/35, 2^nd number: 1 30/40

72/35 + 70/40 is 533/140.

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,
   72/35 = 72 × 8/35 × 8 = 576/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   70/40 = 70 × 7/40 × 7 = 490/280
4. Add the two like fractions:
   576/280 + 490/280 = 576 + 490/280 = 1066/280
5. 1066/280 simplified gives 533/140
6. So, 72/35 + 70/40 = 533/140
   In mixed form: 3113/140

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