Answers

Add 45/72 and 80/30

1^st number: 45/72, 2^nd number: 2 20/30

45/72 + 80/30 is 79/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 30 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 30 × 12 = 360,
   80/30 = 80 × 12/30 × 12 = 960/360
4. Add the two like fractions:
   225/360 + 960/360 = 225 + 960/360 = 1185/360
5. 1185/360 simplified gives 79/24
6. So, 45/72 + 80/30 = 79/24
   In mixed form: 37/24

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