Answers

Add 90/20 and 24/72

1^st number: 4 10/20, 2^nd number: 24/72

90/20 + 24/72 is 29/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   90/20 = 90 × 18/20 × 18 = 1620/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   24/72 = 24 × 5/72 × 5 = 120/360
4. Add the two like fractions:
   1620/360 + 120/360 = 1620 + 120/360 = 1740/360
5. 1740/360 simplified gives 29/6
6. So, 90/20 + 24/72 = 29/6
   In mixed form: 45/6

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