Answers

Add 3/72 and 45/40

1^st number: 3/72, 2^nd number: 1 5/40

3/72 + 45/40 is 7/6.

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,
   3/72 = 3 × 5/72 × 5 = 15/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   45/40 = 45 × 9/40 × 9 = 405/360
4. Add the two like fractions:
   15/360 + 405/360 = 15 + 405/360 = 420/360
5. 420/360 simplified gives 7/6
6. So, 3/72 + 45/40 = 7/6
   In mixed form: 11/6

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