Answers

Add 60/30 and 70/40

1^st number: 2 0/30, 2^nd number: 1 30/40

60/30 + 70/40 is 15/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 30 × 4 = 120,
   60/30 = 60 × 4/30 × 4 = 240/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   70/40 = 70 × 3/40 × 3 = 210/120
4. Add the two like fractions:
   240/120 + 210/120 = 240 + 210/120 = 450/120
5. 450/120 simplified gives 15/4
6. So, 60/30 + 70/40 = 15/4
   In mixed form: 33/4

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