Answers

Add 60/15 and 84/40

1^st number: 4 0/15, 2^nd number: 2 4/40

60/15 + 84/40 is 61/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   60/15 = 60 × 8/15 × 8 = 480/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   84/40 = 84 × 3/40 × 3 = 252/120
4. Add the two like fractions:
   480/120 + 252/120 = 480 + 252/120 = 732/120
5. 732/120 simplified gives 61/10
6. So, 60/15 + 84/40 = 61/10
   In mixed form: 61/10

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