Answers

Add 70/56 and 1/90

1^st number: 1 14/56, 2^nd number: 1/90

70/56 + 1/90 is 227/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 90 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   70/56 = 70 × 45/56 × 45 = 3150/2520
3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
   1/90 = 1 × 28/90 × 28 = 28/2520
4. Add the two like fractions:
   3150/2520 + 28/2520 = 3150 + 28/2520 = 3178/2520
5. 3178/2520 simplified gives 227/180
6. So, 70/56 + 1/90 = 227/180
   In mixed form: 147/180

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