Answers

Add 60/40 and 10/42

1^st number: 1 20/40, 2^nd number: 10/42

60/40 + 10/42 is 73/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 42 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   60/40 = 60 × 21/40 × 21 = 1260/840
3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
   10/42 = 10 × 20/42 × 20 = 200/840
4. Add the two like fractions:
   1260/840 + 200/840 = 1260 + 200/840 = 1460/840
5. 1460/840 simplified gives 73/42
6. So, 60/40 + 10/42 = 73/42
   In mixed form: 131/42

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