Answers

Add 15/28 and 56/90

15/28 + 56/90 is 1459/1260.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   15/28 = 15 × 45/28 × 45 = 675/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   56/90 = 56 × 14/90 × 14 = 784/1260
4. Add the two like fractions:
   675/1260 + 784/1260 = 675 + 784/1260 = 1459/1260
5. So, 15/28 + 56/90 = 1459/1260
   In mixed form: 1199/1260

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