Add 63/12 and 1/84
1st number: 5 3/12, 2nd number: 1/84
63/12 + 1/84 is 221/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
63/12 = 63 × 7/12 × 7 = 441/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
1/84 = 1 × 1/84 × 1 = 1/84 - Add the two like fractions:
441/84 + 1/84 = 441 + 1/84 = 442/84 - 442/84 simplified gives 221/42
- So, 63/12 + 1/84 = 221/42
In mixed form: 511/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+2/84 63/24+1/84 63/12+3/84 63/36+1/84 63/12+5/84 63/60+1/84 63/12+7/84 63/84+1/84