Add 20/14 and 30/80
1st number: 1 6/14, 2nd number: 30/80
20/14 + 30/80 is 101/56.
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,
30/80 = 30 × 7/80 × 7 = 210/560 - Add the two like fractions:
800/560 + 210/560 = 800 + 210/560 = 1010/560 - 1010/560 simplified gives 101/56
- So, 20/14 + 30/80 = 101/56
In mixed form: 145/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+30/80 20/14+60/80 20/28+30/80 60/14+30/80 20/14+90/80 20/42+30/80 20/70+30/80 20/98+30/80