Answers

Add 54/28 and 70/15

1^st number: 1 26/28, 2^nd number: 4 10/15

54/28 + 70/15 is 277/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 15 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   54/28 = 54 × 15/28 × 15 = 810/420
3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
   70/15 = 70 × 28/15 × 28 = 1960/420
4. Add the two like fractions:
   810/420 + 1960/420 = 810 + 1960/420 = 2770/420
5. 2770/420 simplified gives 277/42
6. So, 54/28 + 70/15 = 277/42
   In mixed form: 625/42

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