Add 3/84 and 7/12
3/84 + 7/12 is 13/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
3/84 = 3 × 1/84 × 1 = 3/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
7/12 = 7 × 7/12 × 7 = 49/84 - Add the two like fractions:
3/84 + 49/84 = 3 + 49/84 = 52/84 - 52/84 simplified gives 13/21
- So, 3/84 + 7/12 = 13/21
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