Answers

Add 40/28 and 45/30

1^st number: 1 12/28, 2^nd number: 1 15/30

40/28 + 45/30 is 41/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   40/28 = 40 × 15/28 × 15 = 600/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   45/30 = 45 × 14/30 × 14 = 630/420
4. Add the two like fractions:
   600/420 + 630/420 = 600 + 630/420 = 1230/420
5. 1230/420 simplified gives 41/14
6. So, 40/28 + 45/30 = 41/14
   In mixed form: 213/14

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