Add 40/4 and 70/9
1st number: 10 0/4, 2nd number: 7 7/9
40/4 + 70/9 is 160/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
40/4 = 40 × 9/4 × 9 = 360/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
70/9 = 70 × 4/9 × 4 = 280/36 - Add the two like fractions:
360/36 + 280/36 = 360 + 280/36 = 640/36 - 640/36 simplified gives 160/9
- So, 40/4 + 70/9 = 160/9
In mixed form: 177/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+70/9 40/8+70/9 40/4+70/18 40/12+70/9 40/4+70/27 40/20+70/9 40/4+70/45 40/28+70/9 40/4+70/63