Answers

Add 90/24 and 98/70

1^st number: 3 18/24, 2^nd number: 1 28/70

90/24 + 98/70 is 103/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 70 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   90/24 = 90 × 35/24 × 35 = 3150/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   98/70 = 98 × 12/70 × 12 = 1176/840
4. Add the two like fractions:
   3150/840 + 1176/840 = 3150 + 1176/840 = 4326/840
5. 4326/840 simplified gives 103/20
6. So, 90/24 + 98/70 = 103/20
   In mixed form: 53/20

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