Answers

Add 90/30 and 45/40

1^st number: 3 0/30, 2^nd number: 1 5/40

90/30 + 45/40 is 33/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 30 × 4 = 120,
   90/30 = 90 × 4/30 × 4 = 360/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   45/40 = 45 × 3/40 × 3 = 135/120
4. Add the two like fractions:
   360/120 + 135/120 = 360 + 135/120 = 495/120
5. 495/120 simplified gives 33/8
6. So, 90/30 + 45/40 = 33/8
   In mixed form: 41/8

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