Answers

Add 54/72 and 75/40

1^st number: 54/72, 2^nd number: 1 35/40

54/72 + 75/40 is 21/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   54/72 = 54 × 5/72 × 5 = 270/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   75/40 = 75 × 9/40 × 9 = 675/360
4. Add the two like fractions:
   270/360 + 675/360 = 270 + 675/360 = 945/360
5. 945/360 simplified gives 21/8
6. So, 54/72 + 75/40 = 21/8
   In mixed form: 25/8

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