Answers

Add 48/12 and 40/90

1^st number: 4 0/12, 2^nd number: 40/90

48/12 + 40/90 is 40/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   48/12 = 48 × 15/12 × 15 = 720/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   40/90 = 40 × 2/90 × 2 = 80/180
4. Add the two like fractions:
   720/180 + 80/180 = 720 + 80/180 = 800/180
5. 800/180 simplified gives 40/9
6. So, 48/12 + 40/90 = 40/9
   In mixed form: 44/9

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