Answers

Add 42/60 and 63/8

1^st number: 42/60, 2^nd number: 7 7/8

42/60 + 63/8 is 343/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 8 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   42/60 = 42 × 2/60 × 2 = 84/120
3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
   63/8 = 63 × 15/8 × 15 = 945/120
4. Add the two like fractions:
   84/120 + 945/120 = 84 + 945/120 = 1029/120
5. 1029/120 simplified gives 343/40
6. So, 42/60 + 63/8 = 343/40
   In mixed form: 823/40

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