Add 14/28 and 45/80
14/28 + 45/80 is 17/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
14/28 = 14 × 20/28 × 20 = 280/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
45/80 = 45 × 7/80 × 7 = 315/560 - Add the two like fractions:
280/560 + 315/560 = 280 + 315/560 = 595/560 - 595/560 simplified gives 17/16
- So, 14/28 + 45/80 = 17/16
In mixed form: 11/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+90/80 14/56+45/80 42/28+45/80 14/84+45/80 70/28+45/80 98/28+45/80