Add 35/12 and 30/42
1st number: 2 11/12, 2nd number: 30/42
35/12 + 30/42 is 305/84.
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,
30/42 = 30 × 2/42 × 2 = 60/84 - Add the two like fractions:
245/84 + 60/84 = 245 + 60/84 = 305/84 - So, 35/12 + 30/42 = 305/84
In mixed form: 353/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+30/42 35/12+60/42 35/24+30/42 35/12+30/84 35/12+90/42 35/36+30/42 35/60+30/42 35/84+30/42