Answers

Add 80/72 and 45/10

1^st number: 1 8/72, 2^nd number: 4 5/10

80/72 + 45/10 is 101/18.

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,
   80/72 = 80 × 5/72 × 5 = 400/360
3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
   45/10 = 45 × 36/10 × 36 = 1620/360
4. Add the two like fractions:
   400/360 + 1620/360 = 400 + 1620/360 = 2020/360
5. 2020/360 simplified gives 101/18
6. So, 80/72 + 45/10 = 101/18
   In mixed form: 511/18

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