Add 3/12 and 20/28
3/12 + 20/28 is 27/28.
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,
20/28 = 20 × 3/28 × 3 = 60/84 - Add the two like fractions:
21/84 + 60/84 = 21 + 60/84 = 81/84 - 81/84 simplified gives 27/28
- So, 3/12 + 20/28 = 27/28
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