Answers

Add 4/56 and 63/90

4/56 + 63/90 is 27/35.

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,
   4/56 = 4 × 45/56 × 45 = 180/2520
3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
   63/90 = 63 × 28/90 × 28 = 1764/2520
4. Add the two like fractions:
   180/2520 + 1764/2520 = 180 + 1764/2520 = 1944/2520
5. 1944/2520 simplified gives 27/35
6. So, 4/56 + 63/90 = 27/35

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