Add 40/2 and 9/7
1st number: 20 0/2, 2nd number: 1 2/7
40/2 + 9/7 is 149/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
40/2 = 40 × 7/2 × 7 = 280/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
9/7 = 9 × 2/7 × 2 = 18/14 - Add the two like fractions:
280/14 + 18/14 = 280 + 18/14 = 298/14 - 298/14 simplified gives 149/7
- So, 40/2 + 9/7 = 149/7
In mixed form: 212/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+9/7 40/2+18/7 40/4+9/7 40/2+9/14 40/2+27/7 40/6+9/7 40/2+9/21 40/2+45/7 40/10+9/7 40/2+9/35 40/2+63/7 40/14+9/7 40/2+9/49