Answers

Add 15/49 and 75/72

1^st number: 15/49, 2^nd number: 1 3/72

15/49 + 75/72 is 1585/1176.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 72 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 49 × 72 = 3528,
   15/49 = 15 × 72/49 × 72 = 1080/3528
3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
   75/72 = 75 × 49/72 × 49 = 3675/3528
4. Add the two like fractions:
   1080/3528 + 3675/3528 = 1080 + 3675/3528 = 4755/3528
5. 4755/3528 simplified gives 1585/1176
6. So, 15/49 + 75/72 = 1585/1176
   In mixed form: 1409/1176

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