Answers

Add 70/42 and 28/72

1^st number: 1 28/42, 2^nd number: 28/72

70/42 + 28/72 is 37/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 42 × 12 = 504,
   70/42 = 70 × 12/42 × 12 = 840/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   28/72 = 28 × 7/72 × 7 = 196/504
4. Add the two like fractions:
   840/504 + 196/504 = 840 + 196/504 = 1036/504
5. 1036/504 simplified gives 37/18
6. So, 70/42 + 28/72 = 37/18
   In mixed form: 21/18

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