Add 3/80 and 20/14
1st number: 3/80, 2nd number: 1 6/14
3/80 + 20/14 is 821/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
20/14 = 20 × 40/14 × 40 = 800/560 - Add the two like fractions:
21/560 + 800/560 = 21 + 800/560 = 821/560 - So, 3/80 + 20/14 = 821/560
In mixed form: 1261/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80+20/14 3/80+40/14 3/80+20/28 9/80+20/14 3/80+60/14 3/80+20/42 15/80+20/14 3/80+20/70 21/80+20/14 3/80+20/98