Add 4/9 and 40/7
1st number: 4/9, 2nd number: 5 5/7
4/9 + 40/7 is 388/63.
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,
4/9 = 4 × 7/9 × 7 = 28/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
40/7 = 40 × 9/7 × 9 = 360/63 - Add the two like fractions:
28/63 + 360/63 = 28 + 360/63 = 388/63 - So, 4/9 + 40/7 = 388/63
In mixed form: 610/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9+40/7 4/9+80/7 4/18+40/7 4/9+40/14 12/9+40/7 4/27+40/7 4/9+40/21 20/9+40/7 4/45+40/7 4/9+40/35 28/9+40/7 4/63+40/7 4/9+40/49