Answers

Add 54/21 and 60/10

1^st number: 2 12/21, 2^nd number: 6 0/10

54/21 + 60/10 is 60/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   54/21 = 54 × 10/21 × 10 = 540/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   60/10 = 60 × 21/10 × 21 = 1260/210
4. Add the two like fractions:
   540/210 + 1260/210 = 540 + 1260/210 = 1800/210
5. 1800/210 simplified gives 60/7
6. So, 54/21 + 60/10 = 60/7
   In mixed form: 84/7

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