Answers

Add 72/75 and 90/7

1^st number: 72/75, 2^nd number: 12 6/7

72/75 + 90/7 is 2418/175.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 7 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 75 × 7 = 525,
   72/75 = 72 × 7/75 × 7 = 504/525
3. Likewise, for the 2nd fraction, since 7 × 75 = 525,
   90/7 = 90 × 75/7 × 75 = 6750/525
4. Add the two like fractions:
   504/525 + 6750/525 = 504 + 6750/525 = 7254/525
5. 7254/525 simplified gives 2418/175
6. So, 72/75 + 90/7 = 2418/175
   In mixed form: 13143/175

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