Answers

Add 7/4 and 4/90

1^st number: 1 3/4, 2^nd number: 4/90

7/4 + 4/90 is 323/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 4 × 45 = 180,
   7/4 = 7 × 45/4 × 45 = 315/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   4/90 = 4 × 2/90 × 2 = 8/180
4. Add the two like fractions:
   315/180 + 8/180 = 315 + 8/180 = 323/180
5. So, 7/4 + 4/90 = 323/180
   In mixed form: 1143/180

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