Add 40/6 and 90/40
1st number: 6 4/6, 2nd number: 2 10/40
40/6 + 90/40 is 107/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
40/6 = 40 × 20/6 × 20 = 800/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Add the two like fractions:
800/120 + 270/120 = 800 + 270/120 = 1070/120 - 1070/120 simplified gives 107/12
- So, 40/6 + 90/40 = 107/12
In mixed form: 811/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6+90/40 40/12+90/40 40/6+90/80 40/18+90/40 40/30+90/40 40/42+90/40