Answers

Add 60/15 and 40/84

1^st number: 4 0/15, 2^nd number: 40/84

60/15 + 40/84 is 94/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   60/15 = 60 × 28/15 × 28 = 1680/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   40/84 = 40 × 5/84 × 5 = 200/420
4. Add the two like fractions:
   1680/420 + 200/420 = 1680 + 200/420 = 1880/420
5. 1880/420 simplified gives 94/21
6. So, 60/15 + 40/84 = 94/21
   In mixed form: 410/21

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