Answers

Add 81/35 and 3/72

1^st number: 2 11/35, 2^nd number: 3/72

81/35 + 3/72 is 1979/840.

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,
   81/35 = 81 × 72/35 × 72 = 5832/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   3/72 = 3 × 35/72 × 35 = 105/2520
4. Add the two like fractions:
   5832/2520 + 105/2520 = 5832 + 105/2520 = 5937/2520
5. 5937/2520 simplified gives 1979/840
6. So, 81/35 + 3/72 = 1979/840
   In mixed form: 2299/840

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