Add 40/7 and 63/9
1st number: 5 5/7, 2nd number: 7 0/9
40/7 + 63/9 is 89/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
40/7 = 40 × 9/7 × 9 = 360/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
63/9 = 63 × 7/9 × 7 = 441/63 - Add the two like fractions:
360/63 + 441/63 = 360 + 441/63 = 801/63 - 801/63 simplified gives 89/7
- So, 40/7 + 63/9 = 89/7
In mixed form: 125/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+63/9 40/14+63/9 40/7+63/18 40/21+63/9 40/7+63/27 40/35+63/9 40/7+63/45 40/49+63/9