Answers

Add 90/70 and 98/24

1^st number: 1 20/70, 2^nd number: 4 2/24

90/70 + 98/24 is 451/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 24 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 70 × 12 = 840,
   90/70 = 90 × 12/70 × 12 = 1080/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   98/24 = 98 × 35/24 × 35 = 3430/840
4. Add the two like fractions:
   1080/840 + 3430/840 = 1080 + 3430/840 = 4510/840
5. 4510/840 simplified gives 451/84
6. So, 90/70 + 98/24 = 451/84
   In mixed form: 531/84

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