Answers

Add 42/80 and 63/30

1^st number: 42/80, 2^nd number: 2 3/30

42/80 + 63/30 is 21/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 30 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 80 × 3 = 240,
   42/80 = 42 × 3/80 × 3 = 126/240
3. Likewise, for the 2nd fraction, since 30 × 8 = 240,
   63/30 = 63 × 8/30 × 8 = 504/240
4. Add the two like fractions:
   126/240 + 504/240 = 126 + 504/240 = 630/240
5. 630/240 simplified gives 21/8
6. So, 42/80 + 63/30 = 21/8
   In mixed form: 25/8

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