Add 12/28 and 9/7
1st number: 12/28, 2nd number: 1 2/7
12/28 + 9/7 is 12/7.
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,
12/28 = 12 × 1/28 × 1 = 12/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
9/7 = 9 × 4/7 × 4 = 36/28 - Add the two like fractions:
12/28 + 36/28 = 12 + 36/28 = 48/28 - 48/28 simplified gives 12/7
- So, 12/28 + 9/7 = 12/7
In mixed form: 15/7
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