Answers

Add 12/84 and 36/45

12/84 + 36/45 is 33/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 45 is 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   12/84 = 12 × 15/84 × 15 = 180/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   36/45 = 36 × 28/45 × 28 = 1008/1260
4. Add the two fractions:
   180/1260 + 1008/1260 = 180 + 1008/1260 = 1188/1260
5. 1188/1260 simplified gives 33/35
6. So, 12/84 + 36/45 = 33/35

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