Answers

Add 75/90 and 63/56

1^st number: 75/90, 2^nd number: 1 7/56

75/90 + 63/56 is 47/24.

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,
   75/90 = 75 × 28/90 × 28 = 2100/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   63/56 = 63 × 45/56 × 45 = 2835/2520
4. Add the two like fractions:
   2100/2520 + 2835/2520 = 2100 + 2835/2520 = 4935/2520
5. 4935/2520 simplified gives 47/24
6. So, 75/90 + 63/56 = 47/24
   In mixed form: 123/24

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