Answers

Add 45/72 and 72/10

1^st number: 45/72, 2^nd number: 7 2/10

45/72 + 72/10 is 313/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 10 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   45/72 = 45 × 5/72 × 5 = 225/360
3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
   72/10 = 72 × 36/10 × 36 = 2592/360
4. Add the two like fractions:
   225/360 + 2592/360 = 225 + 2592/360 = 2817/360
5. 2817/360 simplified gives 313/40
6. So, 45/72 + 72/10 = 313/40
   In mixed form: 733/40

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