Answers

Add 2/70 and 72/20

1^st number: 2/70, 2^nd number: 3 12/20

2/70 + 72/20 is 127/35.

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,
   2/70 = 2 × 2/70 × 2 = 4/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   72/20 = 72 × 7/20 × 7 = 504/140
4. Add the two like fractions:
   4/140 + 504/140 = 4 + 504/140 = 508/140
5. 508/140 simplified gives 127/35
6. So, 2/70 + 72/20 = 127/35
   In mixed form: 322/35

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