Answers

Add 30/90 and 81/56

1^st number: 30/90, 2^nd number: 1 25/56

30/90 + 81/56 is 299/168.

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,
   30/90 = 30 × 28/90 × 28 = 840/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   81/56 = 81 × 45/56 × 45 = 3645/2520
4. Add the two like fractions:
   840/2520 + 3645/2520 = 840 + 3645/2520 = 4485/2520
5. 4485/2520 simplified gives 299/168
6. So, 30/90 + 81/56 = 299/168
   In mixed form: 1131/168

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