Add 42/12 and 30/14
1st number: 3 6/12, 2nd number: 2 2/14
42/12 + 30/14 is 79/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
42/12 = 42 × 7/12 × 7 = 294/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
30/14 = 30 × 6/14 × 6 = 180/84 - Add the two like fractions:
294/84 + 180/84 = 294 + 180/84 = 474/84 - 474/84 simplified gives 79/14
- So, 42/12 + 30/14 = 79/14
In mixed form: 59/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+30/14 42/12+60/14 42/24+30/14 42/12+30/28 42/12+90/14 42/36+30/14 42/12+30/42 42/60+30/14 42/12+30/70 42/84+30/14 42/12+30/98