Answers

Add 7/4 and 9/5

1^st number: 1 3/4, 2^nd number: 1 4/5

7/4 + 9/5 is 71/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 5 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   7/4 = 7 × 5/4 × 5 = 35/20
3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
   9/5 = 9 × 4/5 × 4 = 36/20
4. Add the two like fractions:
   35/20 + 36/20 = 35 + 36/20 = 71/20
5. So, 7/4 + 9/5 = 71/20
   In mixed form: 311/20

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