Answers

Add 28/72 and 40/25

1^st number: 28/72, 2^nd number: 1 15/25

28/72 + 40/25 is 179/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 25 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 72 × 25 = 1800,
   28/72 = 28 × 25/72 × 25 = 700/1800
3. Likewise, for the 2nd fraction, since 25 × 72 = 1800,
   40/25 = 40 × 72/25 × 72 = 2880/1800
4. Add the two like fractions:
   700/1800 + 2880/1800 = 700 + 2880/1800 = 3580/1800
5. 3580/1800 simplified gives 179/90
6. So, 28/72 + 40/25 = 179/90
   In mixed form: 189/90

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