Add 63/40 and 6/7
1st number: 1 23/40, 2nd number: 6/7
63/40 + 6/7 is 681/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
63/40 = 63 × 7/40 × 7 = 441/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
6/7 = 6 × 40/7 × 40 = 240/280 - Add the two like fractions:
441/280 + 240/280 = 441 + 240/280 = 681/280 - So, 63/40 + 6/7 = 681/280
In mixed form: 2121/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40+12/7 63/80+6/7 63/40+6/14 63/40+18/7 63/40+6/21 63/40+30/7 63/40+6/35 63/40+42/7 63/40+6/49