Answers

Add 98/90 and 18/72

1^st number: 1 8/90, 2^nd number: 18/72

98/90 + 18/72 is 241/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   98/90 = 98 × 4/90 × 4 = 392/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   18/72 = 18 × 5/72 × 5 = 90/360
4. Add the two like fractions:
   392/360 + 90/360 = 392 + 90/360 = 482/360
5. 482/360 simplified gives 241/180
6. So, 98/90 + 18/72 = 241/180
   In mixed form: 161/180

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