Answers

Add 56/90 and 63/28

1^st number: 56/90, 2^nd number: 2 7/28

56/90 + 63/28 is 517/180.

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,
   56/90 = 56 × 14/90 × 14 = 784/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   63/28 = 63 × 45/28 × 45 = 2835/1260
4. Add the two like fractions:
   784/1260 + 2835/1260 = 784 + 2835/1260 = 3619/1260
5. 3619/1260 simplified gives 517/180
6. So, 56/90 + 63/28 = 517/180
   In mixed form: 2157/180

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