Answers

Add 72/32 and 84/20

1^st number: 2 8/32, 2^nd number: 4 4/20

72/32 + 84/20 is 129/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 20 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 32 × 5 = 160,
   72/32 = 72 × 5/32 × 5 = 360/160
3. Likewise, for the 2nd fraction, since 20 × 8 = 160,
   84/20 = 84 × 8/20 × 8 = 672/160
4. Add the two like fractions:
   360/160 + 672/160 = 360 + 672/160 = 1032/160
5. 1032/160 simplified gives 129/20
6. So, 72/32 + 84/20 = 129/20
   In mixed form: 69/20

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