Add 15/28 and 5/7
15/28 + 5/7 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
5/7 = 5 × 4/7 × 4 = 20/28 - Add the two like fractions:
15/28 + 20/28 = 15 + 20/28 = 35/28 - 35/28 simplified gives 5/4
- So, 15/28 + 5/7 = 5/4
In mixed form: 11/4
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