Add 63/84 and 3/12
63/84 + 3/12 is 1/1.
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,
63/84 = 63 × 1/84 × 1 = 63/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84 - Add the two like fractions:
63/84 + 21/84 = 63 + 21/84 = 84/84 - 84/84 simplified gives 1/1
- So, 63/84 + 3/12 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/84+6/12 63/84+3/24 63/84+9/12 63/84+3/36 63/84+15/12 63/84+3/60 63/84+21/12 63/84+3/84