Answers

Add 28/30 and 56/40

1^st number: 28/30, 2^nd number: 1 16/40

28/30 + 56/40 is 7/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 30 × 4 = 120,
   28/30 = 28 × 4/30 × 4 = 112/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   56/40 = 56 × 3/40 × 3 = 168/120
4. Add the two like fractions:
   112/120 + 168/120 = 112 + 168/120 = 280/120
5. 280/120 simplified gives 7/3
6. So, 28/30 + 56/40 = 7/3
   In mixed form: 21/3

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