Add 15/28 and 9/4
1st number: 15/28, 2nd number: 2 1/4
15/28 + 9/4 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 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 4 × 7 = 28,
9/4 = 9 × 7/4 × 7 = 63/28 - Add the two like fractions:
15/28 + 63/28 = 15 + 63/28 = 78/28 - 78/28 simplified gives 39/14
- So, 15/28 + 9/4 = 39/14
In mixed form: 211/14
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