Answers

Add 7/80 and 35/20

1^st number: 7/80, 2^nd number: 1 15/20

7/80 + 35/20 is 147/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   7/80 = 7 × 1/80 × 1 = 7/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   35/20 = 35 × 4/20 × 4 = 140/80
4. Add the two like fractions:
   7/80 + 140/80 = 7 + 140/80 = 147/80
5. So, 7/80 + 35/20 = 147/80
   In mixed form: 167/80

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