Answers

Add 72/4 and 98/20

1^st number: 18 0/4, 2^nd number: 4 18/20

72/4 + 98/20 is 229/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   72/4 = 72 × 5/4 × 5 = 360/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   98/20 = 98 × 1/20 × 1 = 98/20
4. Add the two like fractions:
   360/20 + 98/20 = 360 + 98/20 = 458/20
5. 458/20 simplified gives 229/10
6. So, 72/4 + 98/20 = 229/10
   In mixed form: 229/10

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