Add 42/28 and 30/9
1st number: 1 14/28, 2nd number: 3 3/9
42/28 + 30/9 is 29/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
42/28 = 42 × 9/28 × 9 = 378/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
30/9 = 30 × 28/9 × 28 = 840/252 - Add the two like fractions:
378/252 + 840/252 = 378 + 840/252 = 1218/252 - 1218/252 simplified gives 29/6
- So, 42/28 + 30/9 = 29/6
In mixed form: 45/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+30/9 42/28+60/9 42/56+30/9 42/28+30/18 42/28+90/9 42/84+30/9 42/28+30/27 42/28+30/45 42/28+30/63