Answers

Add 75/72 and 15/45

1^st number: 1 3/72, 2^nd number: 15/45

75/72 + 15/45 is 11/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 45 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 45 × 8 = 360,
   15/45 = 15 × 8/45 × 8 = 120/360
4. Add the two like fractions:
   375/360 + 120/360 = 375 + 120/360 = 495/360
5. 495/360 simplified gives 11/8
6. So, 75/72 + 15/45 = 11/8
   In mixed form: 13/8

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