Answers

Add 1/28 and 15/35

1/28 + 15/35 is 13/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   1/28 = 1 × 5/28 × 5 = 5/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   15/35 = 15 × 4/35 × 4 = 60/140
4. Add the two like fractions:
   5/140 + 60/140 = 5 + 60/140 = 65/140
5. 65/140 simplified gives 13/28
6. So, 1/28 + 15/35 = 13/28

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