Answers

Add 72/90 and 70/28

1^st number: 72/90, 2^nd number: 2 14/28

72/90 + 70/28 is 33/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   72/90 = 72 × 14/90 × 14 = 1008/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   70/28 = 70 × 45/28 × 45 = 3150/1260
4. Add the two like fractions:
   1008/1260 + 3150/1260 = 1008 + 3150/1260 = 4158/1260
5. 4158/1260 simplified gives 33/10
6. So, 72/90 + 70/28 = 33/10
   In mixed form: 33/10

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