Add 40/2 and 90/9
1st number: 20 0/2, 2nd number: 10 0/9
40/2 + 90/9 is 30/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
40/2 = 40 × 9/2 × 9 = 360/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
90/9 = 90 × 2/9 × 2 = 180/18 - Add the two like fractions:
360/18 + 180/18 = 360 + 180/18 = 540/18 - 540/18 simplified gives 30/1
- So, 40/2 + 90/9 = 30/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+90/9 40/4+90/9 40/2+90/18 40/6+90/9 40/2+90/27 40/10+90/9 40/2+90/45 40/14+90/9 40/2+90/63