Answers

Add 24/70 and 42/20

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

24/70 + 42/20 is 171/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   24/70 = 24 × 2/70 × 2 = 48/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   42/20 = 42 × 7/20 × 7 = 294/140
4. Add the two like fractions:
   48/140 + 294/140 = 48 + 294/140 = 342/140
5. 342/140 simplified gives 171/70
6. So, 24/70 + 42/20 = 171/70
   In mixed form: 231/70

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