Answers

Add 40/8 and 54/90

1^st number: 5 0/8, 2^nd number: 54/90

40/8 + 54/90 is 28/5.

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,
   40/8 = 40 × 45/8 × 45 = 1800/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   54/90 = 54 × 4/90 × 4 = 216/360
4. Add the two like fractions:
   1800/360 + 216/360 = 1800 + 216/360 = 2016/360
5. 2016/360 simplified gives 28/5
6. So, 40/8 + 54/90 = 28/5
   In mixed form: 53/5

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