Answers

Add 75/40 and 15/72

1^st number: 1 35/40, 2^nd number: 15/72

75/40 + 15/72 is 25/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   75/40 = 75 × 9/40 × 9 = 675/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   15/72 = 15 × 5/72 × 5 = 75/360
4. Add the two like fractions:
   675/360 + 75/360 = 675 + 75/360 = 750/360
5. 750/360 simplified gives 25/12
6. So, 75/40 + 15/72 = 25/12
   In mixed form: 21/12

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