Add 40/9 and 5/7
1st number: 4 4/9, 2nd number: 5/7
40/9 + 5/7 is 325/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
40/9 = 40 × 7/9 × 7 = 280/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
5/7 = 5 × 9/7 × 9 = 45/63 - Add the two like fractions:
280/63 + 45/63 = 280 + 45/63 = 325/63 - So, 40/9 + 5/7 = 325/63
In mixed form: 510/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9+5/7 40/9+10/7 40/18+5/7 40/9+5/14 40/9+15/7 40/27+5/7 40/9+5/21 40/9+25/7 40/45+5/7 40/9+5/35 40/9+35/7 40/63+5/7 40/9+5/49