Answers

Add 35/72 and 98/90

1^st number: 35/72, 2^nd number: 1 8/90

35/72 + 98/90 is 63/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   35/72 = 35 × 5/72 × 5 = 175/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   98/90 = 98 × 4/90 × 4 = 392/360
4. Add the two like fractions:
   175/360 + 392/360 = 175 + 392/360 = 567/360
5. 567/360 simplified gives 63/40
6. So, 35/72 + 98/90 = 63/40
   In mixed form: 123/40

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