Answers

Add 98/30 and 90/72

1^st number: 3 8/30, 2^nd number: 1 18/72

98/30 + 90/72 is 271/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 30 × 12 = 360,
   98/30 = 98 × 12/30 × 12 = 1176/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   90/72 = 90 × 5/72 × 5 = 450/360
4. Add the two like fractions:
   1176/360 + 450/360 = 1176 + 450/360 = 1626/360
5. 1626/360 simplified gives 271/60
6. So, 98/30 + 90/72 = 271/60
   In mixed form: 431/60

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