Answers

Add 90/50 and 70/56

1^st number: 1 40/50, 2^nd number: 1 14/56

90/50 + 70/56 is 61/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 56 is 1400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1400
2. For the 1st fraction, since 50 × 28 = 1400,
   90/50 = 90 × 28/50 × 28 = 2520/1400
3. Likewise, for the 2nd fraction, since 56 × 25 = 1400,
   70/56 = 70 × 25/56 × 25 = 1750/1400
4. Add the two like fractions:
   2520/1400 + 1750/1400 = 2520 + 1750/1400 = 4270/1400
5. 4270/1400 simplified gives 61/20
6. So, 90/50 + 70/56 = 61/20
   In mixed form: 31/20

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