Answers

Add 90/70 and 60/24

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

90/70 + 60/24 is 53/14.

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,
   60/24 = 60 × 35/24 × 35 = 2100/840
4. Add the two like fractions:
   1080/840 + 2100/840 = 1080 + 2100/840 = 3180/840
5. 3180/840 simplified gives 53/14
6. So, 90/70 + 60/24 = 53/14
   In mixed form: 311/14

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