Add 1/84 and 1/63
1/84 + 1/63 is 1/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
1/84 = 1 × 3/84 × 3 = 3/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
1/63 = 1 × 4/63 × 4 = 4/252 - Add the two like fractions:
3/252 + 4/252 = 3 + 4/252 = 7/252 - 7/252 simplified gives 1/36
- So, 1/84 + 1/63 = 1/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+1/63 1/84+2/63 3/84+1/63 1/84+3/63 5/84+1/63 1/84+5/63 7/84+1/63 1/84+7/63