Answers

Add 25/4 and 42/80

1^st number: 6 1/4, 2^nd number: 42/80

25/4 + 42/80 is 271/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 4 × 20 = 80,
   25/4 = 25 × 20/4 × 20 = 500/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   42/80 = 42 × 1/80 × 1 = 42/80
4. Add the two like fractions:
   500/80 + 42/80 = 500 + 42/80 = 542/80
5. 542/80 simplified gives 271/40
6. So, 25/4 + 42/80 = 271/40
   In mixed form: 631/40

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