Add 35/12 and 40/42
1st number: 2 11/12, 2nd number: 40/42
35/12 + 40/42 is 325/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
35/12 = 35 × 7/12 × 7 = 245/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
40/42 = 40 × 2/42 × 2 = 80/84 - Add the two like fractions:
245/84 + 80/84 = 245 + 80/84 = 325/84 - So, 35/12 + 40/42 = 325/84
In mixed form: 373/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+40/42 35/12+80/42 35/24+40/42 35/12+40/84 35/36+40/42 35/60+40/42 35/84+40/42