Add 63/3 and 12/84
1st number: 21 0/3, 2nd number: 12/84
63/3 + 12/84 is 148/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
63/3 = 63 × 28/3 × 28 = 1764/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
12/84 = 12 × 1/84 × 1 = 12/84 - Add the two like fractions:
1764/84 + 12/84 = 1764 + 12/84 = 1776/84 - 1776/84 simplified gives 148/7
- So, 63/3 + 12/84 = 148/7
In mixed form: 211/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3+24/84 63/6+12/84 63/3+36/84 63/9+12/84 63/3+60/84 63/15+12/84 63/21+12/84