Answers

Add 27/90 and 70/56

1^st number: 27/90, 2^nd number: 1 14/56

27/90 + 70/56 is 31/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 56 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 90 × 28 = 2520,
   27/90 = 27 × 28/90 × 28 = 756/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   70/56 = 70 × 45/56 × 45 = 3150/2520
4. Add the two like fractions:
   756/2520 + 3150/2520 = 756 + 3150/2520 = 3906/2520
5. 3906/2520 simplified gives 31/20
6. So, 27/90 + 70/56 = 31/20
   In mixed form: 111/20

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