Answers

Add 98/18 and 35/40

1^st number: 5 8/18, 2^nd number: 35/40

98/18 + 35/40 is 455/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 18 × 20 = 360,
   98/18 = 98 × 20/18 × 20 = 1960/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   35/40 = 35 × 9/40 × 9 = 315/360
4. Add the two like fractions:
   1960/360 + 315/360 = 1960 + 315/360 = 2275/360
5. 2275/360 simplified gives 455/72
6. So, 98/18 + 35/40 = 455/72
   In mixed form: 623/72

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