Answers

Add 35/28 and 80/15

1^st number: 1 7/28, 2^nd number: 5 5/15

35/28 + 80/15 is 79/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 15 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   35/28 = 35 × 15/28 × 15 = 525/420
3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
   80/15 = 80 × 28/15 × 28 = 2240/420
4. Add the two like fractions:
   525/420 + 2240/420 = 525 + 2240/420 = 2765/420
5. 2765/420 simplified gives 79/12
6. So, 35/28 + 80/15 = 79/12
   In mixed form: 67/12

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