Add 40/35 and 42/9
1st number: 1 5/35, 2nd number: 4 6/9
40/35 + 42/9 is 122/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
40/35 = 40 × 9/35 × 9 = 360/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
42/9 = 42 × 35/9 × 35 = 1470/315 - Add the two like fractions:
360/315 + 1470/315 = 360 + 1470/315 = 1830/315 - 1830/315 simplified gives 122/21
- So, 40/35 + 42/9 = 122/21
In mixed form: 517/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35+42/9 40/35+84/9 40/70+42/9 40/35+42/18 40/35+42/27 40/35+42/45 40/35+42/63