Answers

Add 72/40 and 35/30

1^st number: 1 32/40, 2^nd number: 1 5/30

72/40 + 35/30 is 89/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 30 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   72/40 = 72 × 3/40 × 3 = 216/120
3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
   35/30 = 35 × 4/30 × 4 = 140/120
4. Add the two like fractions:
   216/120 + 140/120 = 216 + 140/120 = 356/120
5. 356/120 simplified gives 89/30
6. So, 72/40 + 35/30 = 89/30
   In mixed form: 229/30

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