Add 15/12 and 1/28
1st number: 1 3/12, 2nd number: 1/28
15/12 + 1/28 is 9/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
1/28 = 1 × 3/28 × 3 = 3/84 - Add the two like fractions:
105/84 + 3/84 = 105 + 3/84 = 108/84 - 108/84 simplified gives 9/7
- So, 15/12 + 1/28 = 9/7
In mixed form: 12/7
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