Answers

Add 3/42 and 60/40

1^st number: 3/42, 2^nd number: 1 20/40

3/42 + 60/40 is 11/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 42 × 20 = 840,
   3/42 = 3 × 20/42 × 20 = 60/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   60/40 = 60 × 21/40 × 21 = 1260/840
4. Add the two like fractions:
   60/840 + 1260/840 = 60 + 1260/840 = 1320/840
5. 1320/840 simplified gives 11/7
6. So, 3/42 + 60/40 = 11/7
   In mixed form: 14/7

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