Add 20/84 and 14/63
20/84 + 14/63 is 29/63.
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,
20/84 = 20 × 3/84 × 3 = 60/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
14/63 = 14 × 4/63 × 4 = 56/252 - Add the two like fractions:
60/252 + 56/252 = 60 + 56/252 = 116/252 - 116/252 simplified gives 29/63
- So, 20/84 + 14/63 = 29/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84+14/63 20/84+28/63 60/84+14/63 20/84+42/63 20/84+70/63 20/84+98/63