Answers

Add 90/50 and 90/28

1^st number: 1 40/50, 2^nd number: 3 6/28

90/50 + 90/28 is 351/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 28 is 700
   
   Next, find the equivalent fraction of both fractional numbers with denominator 700
2. For the 1st fraction, since 50 × 14 = 700,
   90/50 = 90 × 14/50 × 14 = 1260/700
3. Likewise, for the 2nd fraction, since 28 × 25 = 700,
   90/28 = 90 × 25/28 × 25 = 2250/700
4. Add the two like fractions:
   1260/700 + 2250/700 = 1260 + 2250/700 = 3510/700
5. 3510/700 simplified gives 351/70
6. So, 90/50 + 90/28 = 351/70
   In mixed form: 51/70

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