Add 15/28 and 3/5
15/28 + 3/5 is 159/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
3/5 = 3 × 28/5 × 28 = 84/140 - Add the two like fractions:
75/140 + 84/140 = 75 + 84/140 = 159/140 - So, 15/28 + 3/5 = 159/140
In mixed form: 119/140
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