Answers

Add 90/20 and 84/32

1^st number: 4 10/20, 2^nd number: 2 20/32

90/20 + 84/32 is 57/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 32 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 20 × 8 = 160,
   90/20 = 90 × 8/20 × 8 = 720/160
3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
   84/32 = 84 × 5/32 × 5 = 420/160
4. Add the two like fractions:
   720/160 + 420/160 = 720 + 420/160 = 1140/160
5. 1140/160 simplified gives 57/8
6. So, 90/20 + 84/32 = 57/8
   In mixed form: 71/8

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