Answers

Add 42/36 and 21/70

1^st number: 1 6/36, 2^nd number: 21/70

42/36 + 21/70 is 22/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 70 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 36 × 35 = 1260,
   42/36 = 42 × 35/36 × 35 = 1470/1260
3. Likewise, for the 2nd fraction, since 70 × 18 = 1260,
   21/70 = 21 × 18/70 × 18 = 378/1260
4. Add the two like fractions:
   1470/1260 + 378/1260 = 1470 + 378/1260 = 1848/1260
5. 1848/1260 simplified gives 22/15
6. So, 42/36 + 21/70 = 22/15
   In mixed form: 17/15

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