Add 54/84 and 12/14
54/84 + 12/14 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
54/84 = 54 × 1/84 × 1 = 54/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
12/14 = 12 × 6/14 × 6 = 72/84 - Add the two like fractions:
54/84 + 72/84 = 54 + 72/84 = 126/84 - 126/84 simplified gives 3/2
- So, 54/84 + 12/14 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84+24/14 54/84+12/28 54/84+36/14 54/84+12/42 54/84+60/14 54/84+12/70 54/84+84/14 54/84+12/98