Answers

Add 56/8 and 63/90

1^st number: 7 0/8, 2^nd number: 63/90

56/8 + 63/90 is 77/10.

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,
   56/8 = 56 × 45/8 × 45 = 2520/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   63/90 = 63 × 4/90 × 4 = 252/360
4. Add the two like fractions:
   2520/360 + 252/360 = 2520 + 252/360 = 2772/360
5. 2772/360 simplified gives 77/10
6. So, 56/8 + 63/90 = 77/10
   In mixed form: 77/10

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