Add 20/14 and 49/80
1st number: 1 6/14, 2nd number: 49/80
20/14 + 49/80 is 1143/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
20/14 = 20 × 40/14 × 40 = 800/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
49/80 = 49 × 7/80 × 7 = 343/560 - Add the two like fractions:
800/560 + 343/560 = 800 + 343/560 = 1143/560 - So, 20/14 + 49/80 = 1143/560
In mixed form: 223/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+49/80 20/14+98/80 20/28+49/80 60/14+49/80 20/42+49/80 20/70+49/80 20/98+49/80