Answers

Add 15/12 and 70/35

1^st number: 1 3/12, 2^nd number: 2 0/35

15/12 + 70/35 is 13/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 35 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 12 × 35 = 420,
   15/12 = 15 × 35/12 × 35 = 525/420
3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
   70/35 = 70 × 12/35 × 12 = 840/420
4. Add the two like fractions:
   525/420 + 840/420 = 525 + 840/420 = 1365/420
5. 1365/420 simplified gives 13/4
6. So, 15/12 + 70/35 = 13/4
   In mixed form: 31/4

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