Answers

Add 98/18 and 90/72

1^st number: 5 8/18, 2^nd number: 1 18/72

98/18 + 90/72 is 241/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   98/18 = 98 × 4/18 × 4 = 392/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   90/72 = 90 × 1/72 × 1 = 90/72
4. Add the two like fractions:
   392/72 + 90/72 = 392 + 90/72 = 482/72
5. 482/72 simplified gives 241/36
6. So, 98/18 + 90/72 = 241/36
   In mixed form: 625/36

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