Answers

Add 30/70 and 45/24

1^st number: 30/70, 2^nd number: 1 21/24

30/70 + 45/24 is 129/56.

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,
   30/70 = 30 × 12/70 × 12 = 360/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   45/24 = 45 × 35/24 × 35 = 1575/840
4. Add the two like fractions:
   360/840 + 1575/840 = 360 + 1575/840 = 1935/840
5. 1935/840 simplified gives 129/56
6. So, 30/70 + 45/24 = 129/56
   In mixed form: 217/56

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