Add 63/18 and 6/80
1st number: 3 9/18, 2nd number: 6/80
63/18 + 6/80 is 143/40.
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,
63/18 = 63 × 40/18 × 40 = 2520/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
6/80 = 6 × 9/80 × 9 = 54/720 - Add the two like fractions:
2520/720 + 54/720 = 2520 + 54/720 = 2574/720 - 2574/720 simplified gives 143/40
- So, 63/18 + 6/80 = 143/40
In mixed form: 323/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+12/80 63/36+6/80 63/18+18/80 63/54+6/80 63/18+30/80 63/90+6/80 63/18+42/80