Answers

Add 21/10 and 54/35

1^st number: 2 1/10, 2^nd number: 1 19/35

21/10 + 54/35 is 51/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 35 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 10 × 7 = 70,
   21/10 = 21 × 7/10 × 7 = 147/70
3. Likewise, for the 2nd fraction, since 35 × 2 = 70,
   54/35 = 54 × 2/35 × 2 = 108/70
4. Add the two like fractions:
   147/70 + 108/70 = 147 + 108/70 = 255/70
5. 255/70 simplified gives 51/14
6. So, 21/10 + 54/35 = 51/14
   In mixed form: 39/14

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