Answers

Add 81/8 and 48/20

1^st number: 10 1/8, 2^nd number: 2 8/20

81/8 + 48/20 is 501/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 20 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 8 × 5 = 40,
   81/8 = 81 × 5/8 × 5 = 405/40
3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
   48/20 = 48 × 2/20 × 2 = 96/40
4. Add the two like fractions:
   405/40 + 96/40 = 405 + 96/40 = 501/40
5. So, 81/8 + 48/20 = 501/40
   In mixed form: 1221/40

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