Add 20/80 and 10/14
20/80 + 10/14 is 27/28.
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,
20/80 = 20 × 7/80 × 7 = 140/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
10/14 = 10 × 40/14 × 40 = 400/560 - Add the two like fractions:
140/560 + 400/560 = 140 + 400/560 = 540/560 - 540/560 simplified gives 27/28
- So, 20/80 + 10/14 = 27/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/80+10/14 20/80+20/14 20/80+10/28 60/80+10/14 20/80+30/14 20/80+10/42 20/80+50/14 20/80+10/70 20/80+70/14 20/80+10/98