Add 20/30 and 10/80
20/30 + 10/80 is 19/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
20/30 = 20 × 8/30 × 8 = 160/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
10/80 = 10 × 3/80 × 3 = 30/240 - Add the two like fractions:
160/240 + 30/240 = 160 + 30/240 = 190/240 - 190/240 simplified gives 19/24
- So, 20/30 + 10/80 = 19/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+10/80 20/30+20/80 20/60+10/80 60/30+10/80 20/30+30/80 20/90+10/80 20/30+50/80 20/30+70/80