Answers

Add 75/72 and 7/90

1^st number: 1 3/72, 2^nd number: 7/90

75/72 + 7/90 is 403/360.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   75/72 = 75 × 5/72 × 5 = 375/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   7/90 = 7 × 4/90 × 4 = 28/360
4. Add the two like fractions:
   375/360 + 28/360 = 375 + 28/360 = 403/360
5. So, 75/72 + 7/90 = 403/360
   In mixed form: 143/360

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