Add 10/18 and 10/80
10/18 + 10/80 is 49/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
10/18 = 10 × 40/18 × 40 = 400/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
10/80 = 10 × 9/80 × 9 = 90/720 - Add the two like fractions:
400/720 + 90/720 = 400 + 90/720 = 490/720 - 490/720 simplified gives 49/72
- So, 10/18 + 10/80 = 49/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18+10/80 10/18+20/80 10/36+10/80 30/18+10/80 10/18+30/80 10/54+10/80 50/18+10/80 10/18+50/80 10/90+10/80 70/18+10/80 10/18+70/80