Answers

Add 84/8 and 63/90

1^st number: 10 4/8, 2^nd number: 63/90

84/8 + 63/90 is 56/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 8 × 45 = 360,
   84/8 = 84 × 45/8 × 45 = 3780/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   63/90 = 63 × 4/90 × 4 = 252/360
4. Add the two like fractions:
   3780/360 + 252/360 = 3780 + 252/360 = 4032/360
5. 4032/360 simplified gives 56/5
6. So, 84/8 + 63/90 = 56/5
   In mixed form: 111/5

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