Answers

Add 12/24 and 90/70

1^st number: 12/24, 2^nd number: 1 20/70

12/24 + 90/70 is 25/14.

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,
   12/24 = 12 × 35/24 × 35 = 420/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   90/70 = 90 × 12/70 × 12 = 1080/840
4. Add the two like fractions:
   420/840 + 1080/840 = 420 + 1080/840 = 1500/840
5. 1500/840 simplified gives 25/14
6. So, 12/24 + 90/70 = 25/14
   In mixed form: 111/14

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