Answers

Add 48/63 and 42/80

48/63 + 42/80 is 1081/840.

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,
   48/63 = 48 × 80/63 × 80 = 3840/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   42/80 = 42 × 63/80 × 63 = 2646/5040
4. Add the two like fractions:
   3840/5040 + 2646/5040 = 3840 + 2646/5040 = 6486/5040
5. 6486/5040 simplified gives 1081/840
6. So, 48/63 + 42/80 = 1081/840
   In mixed form: 1241/840

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