Answers

Add 90/7 and 98/72

1^st number: 12 6/7, 2^nd number: 1 26/72

90/7 + 98/72 is 3583/252.

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,
   98/72 = 98 × 7/72 × 7 = 686/504
4. Add the two like fractions:
   6480/504 + 686/504 = 6480 + 686/504 = 7166/504
5. 7166/504 simplified gives 3583/252
6. So, 90/7 + 98/72 = 3583/252
   In mixed form: 1455/252

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