Answers

Add 72/70 and 20/36

1^st number: 1 2/70, 2^nd number: 20/36

72/70 + 20/36 is 499/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 36 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 70 × 18 = 1260,
   72/70 = 72 × 18/70 × 18 = 1296/1260
3. Likewise, for the 2nd fraction, since 36 × 35 = 1260,
   20/36 = 20 × 35/36 × 35 = 700/1260
4. Add the two like fractions:
   1296/1260 + 700/1260 = 1296 + 700/1260 = 1996/1260
5. 1996/1260 simplified gives 499/315
6. So, 72/70 + 20/36 = 499/315
   In mixed form: 1184/315

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