Answers

Add 90/40 and 45/12

1^st number: 2 10/40, 2^nd number: 3 9/12

90/40 + 45/12 is 6/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 12 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   90/40 = 90 × 3/40 × 3 = 270/120
3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
   45/12 = 45 × 10/12 × 10 = 450/120
4. Add the two like fractions:
   270/120 + 450/120 = 270 + 450/120 = 720/120
5. 720/120 simplified gives 6/1
6. So, 90/40 + 45/12 = 6/1

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