Answers

Add 60/63 and 30/80

60/63 + 30/80 is 223/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 80 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 63 × 80 = 5040,
   60/63 = 60 × 80/63 × 80 = 4800/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   30/80 = 30 × 63/80 × 63 = 1890/5040
4. Add the two like fractions:
   4800/5040 + 1890/5040 = 4800 + 1890/5040 = 6690/5040
5. 6690/5040 simplified gives 223/168
6. So, 60/63 + 30/80 = 223/168
   In mixed form: 155/168

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