Answers

Add 50/28 and 72/20

1^st number: 1 22/28, 2^nd number: 3 12/20

50/28 + 72/20 is 377/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   50/28 = 50 × 5/28 × 5 = 250/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   72/20 = 72 × 7/20 × 7 = 504/140
4. Add the two like fractions:
   250/140 + 504/140 = 250 + 504/140 = 754/140
5. 754/140 simplified gives 377/70
6. So, 50/28 + 72/20 = 377/70
   In mixed form: 527/70

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