Answers

Add 63/42 and 56/10

1^st number: 1 21/42, 2^nd number: 5 6/10

63/42 + 56/10 is 71/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   63/42 = 63 × 5/42 × 5 = 315/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   56/10 = 56 × 21/10 × 21 = 1176/210
4. Add the two like fractions:
   315/210 + 1176/210 = 315 + 1176/210 = 1491/210
5. 1491/210 simplified gives 71/10
6. So, 63/42 + 56/10 = 71/10
   In mixed form: 71/10

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