Answers

Add 54/45 and 4/72

1^st number: 1 9/45, 2^nd number: 4/72

54/45 + 4/72 is 113/90.

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,
   54/45 = 54 × 8/45 × 8 = 432/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   4/72 = 4 × 5/72 × 5 = 20/360
4. Add the two like fractions:
   432/360 + 20/360 = 432 + 20/360 = 452/360
5. 452/360 simplified gives 113/90
6. So, 54/45 + 4/72 = 113/90
   In mixed form: 123/90

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