Answers

Add 60/72 and 72/20

1^st number: 60/72, 2^nd number: 3 12/20

60/72 + 72/20 is 133/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 20 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   60/72 = 60 × 5/72 × 5 = 300/360
3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
   72/20 = 72 × 18/20 × 18 = 1296/360
4. Add the two like fractions:
   300/360 + 1296/360 = 300 + 1296/360 = 1596/360
5. 1596/360 simplified gives 133/30
6. So, 60/72 + 72/20 = 133/30
   In mixed form: 413/30

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