Answers

Add 21/96 and 84/20

1^st number: 21/96, 2^nd number: 4 4/20

21/96 + 84/20 is 707/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 20 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 96 × 5 = 480,
   21/96 = 21 × 5/96 × 5 = 105/480
3. Likewise, for the 2nd fraction, since 20 × 24 = 480,
   84/20 = 84 × 24/20 × 24 = 2016/480
4. Add the two like fractions:
   105/480 + 2016/480 = 105 + 2016/480 = 2121/480
5. 2121/480 simplified gives 707/160
6. So, 21/96 + 84/20 = 707/160
   In mixed form: 467/160

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