Add 6/7 and 9/40
6/7 + 9/40 is 303/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
6/7 = 6 × 40/7 × 40 = 240/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280 - Add the two like fractions:
240/280 + 63/280 = 240 + 63/280 = 303/280 - So, 6/7 + 9/40 = 303/280
In mixed form: 123/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7+9/40 6/7+18/40 6/14+9/40 6/7+9/80 18/7+9/40 6/7+27/40 6/21+9/40 30/7+9/40 6/7+45/40 6/35+9/40 42/7+9/40 6/7+63/40 6/49+9/40