Add 3/12 and 4/28
3/12 + 4/28 is 11/28.
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,
3/12 = 3 × 7/12 × 7 = 21/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
4/28 = 4 × 3/28 × 3 = 12/84 - Add the two like fractions:
21/84 + 12/84 = 21 + 12/84 = 33/84 - 33/84 simplified gives 11/28
- So, 3/12 + 4/28 = 11/28
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