Add 6/18 and 63/80
6/18 + 63/80 is 269/240.
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,
6/18 = 6 × 40/18 × 40 = 240/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
63/80 = 63 × 9/80 × 9 = 567/720 - Add the two like fractions:
240/720 + 567/720 = 240 + 567/720 = 807/720 - 807/720 simplified gives 269/240
- So, 6/18 + 63/80 = 269/240
In mixed form: 129/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18+63/80 6/36+63/80 6/54+63/80 30/18+63/80 6/90+63/80 42/18+63/80