Add 14/84 and 2/90
14/84 + 2/90 is 17/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
14/84 = 14 × 15/84 × 15 = 210/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
2/90 = 2 × 14/90 × 14 = 28/1260 - Add the two like fractions:
210/1260 + 28/1260 = 210 + 28/1260 = 238/1260 - 238/1260 simplified gives 17/90
- So, 14/84 + 2/90 = 17/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84+2/90 14/84+4/90 42/84+2/90 14/84+6/90 70/84+2/90 14/84+10/90 98/84+2/90 14/84+14/90