Answers

Add 75/72 and 72/40

1^st number: 1 3/72, 2^nd number: 1 32/40

75/72 + 72/40 is 341/120.

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,
   75/72 = 75 × 5/72 × 5 = 375/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   72/40 = 72 × 9/40 × 9 = 648/360
4. Add the two like fractions:
   375/360 + 648/360 = 375 + 648/360 = 1023/360
5. 1023/360 simplified gives 341/120
6. So, 75/72 + 72/40 = 341/120
   In mixed form: 2101/120

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