Answers

Add 56/45 and 18/72

1^st number: 1 11/45, 2^nd number: 18/72

56/45 + 18/72 is 269/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   56/45 = 56 × 8/45 × 8 = 448/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   18/72 = 18 × 5/72 × 5 = 90/360
4. Add the two like fractions:
   448/360 + 90/360 = 448 + 90/360 = 538/360
5. 538/360 simplified gives 269/180
6. So, 56/45 + 18/72 = 269/180
   In mixed form: 189/180

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