Answers

Add 72/90 and 90/6

1^st number: 72/90, 2^nd number: 15 0/6

72/90 + 90/6 is 79/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 6 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   72/90 = 72 × 1/90 × 1 = 72/90
3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
   90/6 = 90 × 15/6 × 15 = 1350/90
4. Add the two like fractions:
   72/90 + 1350/90 = 72 + 1350/90 = 1422/90
5. 1422/90 simplified gives 79/5
6. So, 72/90 + 90/6 = 79/5
   In mixed form: 154/5

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