Answers

Add 21/28 and 56/35

1^st number: 21/28, 2^nd number: 1 21/35

21/28 + 56/35 is 47/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   21/28 = 21 × 5/28 × 5 = 105/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   56/35 = 56 × 4/35 × 4 = 224/140
4. Add the two like fractions:
   105/140 + 224/140 = 105 + 224/140 = 329/140
5. 329/140 simplified gives 47/20
6. So, 21/28 + 56/35 = 47/20
   In mixed form: 27/20

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