Answers

Add 36/40 and 72/60

1^st number: 36/40, 2^nd number: 1 12/60

36/40 + 72/60 is 21/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   36/40 = 36 × 3/40 × 3 = 108/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   72/60 = 72 × 2/60 × 2 = 144/120
4. Add the two like fractions:
   108/120 + 144/120 = 108 + 144/120 = 252/120
5. 252/120 simplified gives 21/10
6. So, 36/40 + 72/60 = 21/10
   In mixed form: 21/10

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