Add 14/20 and 28/63
14/20 + 28/63 is 103/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
14/20 = 14 × 63/20 × 63 = 882/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
28/63 = 28 × 20/63 × 20 = 560/1260 - Add the two like fractions:
882/1260 + 560/1260 = 882 + 560/1260 = 1442/1260 - 1442/1260 simplified gives 103/90
- So, 14/20 + 28/63 = 103/90
In mixed form: 113/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20+28/63 14/20+56/63 14/40+28/63 42/20+28/63 14/20+84/63 14/60+28/63 70/20+28/63 98/20+28/63