Answers

Add 21/54 and 70/10

1^st number: 21/54, 2^nd number: 7 0/10

21/54 + 70/10 is 133/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 10 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   21/54 = 21 × 5/54 × 5 = 105/270
3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
   70/10 = 70 × 27/10 × 27 = 1890/270
4. Add the two like fractions:
   105/270 + 1890/270 = 105 + 1890/270 = 1995/270
5. 1995/270 simplified gives 133/18
6. So, 21/54 + 70/10 = 133/18
   In mixed form: 77/18

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