Answers

Add 90/7 and 35/72

1^st number: 12 6/7, 2^nd number: 35/72

90/7 + 35/72 is 6725/504.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 7 × 72 = 504,
   90/7 = 90 × 72/7 × 72 = 6480/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   35/72 = 35 × 7/72 × 7 = 245/504
4. Add the two like fractions:
   6480/504 + 245/504 = 6480 + 245/504 = 6725/504
5. So, 90/7 + 35/72 = 6725/504
   In mixed form: 13173/504

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