Answers

Add 20/70 and 40/24

1^st number: 20/70, 2^nd number: 1 16/24

20/70 + 40/24 is 41/21.

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,
   20/70 = 20 × 12/70 × 12 = 240/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   40/24 = 40 × 35/24 × 35 = 1400/840
4. Add the two like fractions:
   240/840 + 1400/840 = 240 + 1400/840 = 1640/840
5. 1640/840 simplified gives 41/21
6. So, 20/70 + 40/24 = 41/21
   In mixed form: 120/21

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