Answers

Add 90/10 and 40/56

1^st number: 9 0/10, 2^nd number: 40/56

90/10 + 40/56 is 68/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 10 × 28 = 280,
   90/10 = 90 × 28/10 × 28 = 2520/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   40/56 = 40 × 5/56 × 5 = 200/280
4. Add the two like fractions:
   2520/280 + 200/280 = 2520 + 200/280 = 2720/280
5. 2720/280 simplified gives 68/7
6. So, 90/10 + 40/56 = 68/7
   In mixed form: 95/7

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