Answers

Add 28/12 and 56/70

1^st number: 2 4/12, 2^nd number: 56/70

28/12 + 56/70 is 47/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 12 × 35 = 420,
   28/12 = 28 × 35/12 × 35 = 980/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   56/70 = 56 × 6/70 × 6 = 336/420
4. Add the two like fractions:
   980/420 + 336/420 = 980 + 336/420 = 1316/420
5. 1316/420 simplified gives 47/15
6. So, 28/12 + 56/70 = 47/15
   In mixed form: 32/15

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